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Items where Division is "Departamento de Engenharia Electrotécnica > Electrónica"

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Number of items at this level: 353.

2015

Fakhfakh, Mourad and Tlelo-Cuautle, Esteban and Fino, Maria H., eds (2015) Performance Optimization Techniques in Analog, Mixed-Signal, and Radio-Frequency Circuit Design. IGI Global. ISBN 9781466666276. eISBN 9781466666283. URL: http://dx.doi.org/10.4018/978-1-4666-6627-6.

2014

Fino, Maria H. (2014) Using an integrated inductor model in Qucs. [Paper]. In: 2014 Proceedings of the 21st International Conference Mixed Design of Integrated Circuits and Systems (MIXDES), 19-21 June 2014 , Lublin. URL: http://dx.doi.org/10.1109/MIXDES.2014.6872155.

2013

Coito, Fernando and Fino, Maria H. and Pereira, Pedro (2013) Variability-Aware Optimization of RF Integrated Inductors in Nanometer-Scale Technologies. In: Integrated Circuits for Analog Signal Processing. Springer-Verlag, pp. 271-287. ISBN 978-1-4614-1382-0. eISBN 978-1-4614-1383-7. URL: http://dx.doi.org/10.1007/978-1-4614-1383-7_12.

Pereira, Pedro and Kotti, M. and Fino, Maria H. and Fakhfakh, Mourad (2013) Metaheuristic algorithms comparison for the LC - Voltage controlled oscillators optimal design. [Paper]. In: 2013 5th International Conference on Modeling, Simulation and Applied Optimization (ICMSAO), 8-30 April 2013 , Hammamet, Tunisia . URL: http://dx.doi.org/10.1109/ICMSAO.2013.6552658.

2012

Pereira, Pedro and Fino, Maria H. and Coito, Fernando and Ventim-Neves, M. (2012) RF integrated inductor modeling and its application to optimization-based design. Analog Integrated Circuits and Signal Processing, 73 (1), pp. 47-55. ISSN 0925-1030. eISSN 1573-1979. URL: http://dx.doi.org/10.1007/s10470-011-9682-x.

Pereira, Pedro and Fino, Maria H. and Neves, Mário (2012) LC-VCO design methodology based on evolutionary algorithms. [Paper]. In: 2012 International Conference on Synthesis, Modeling, Analysis and Simulation Methods and Applications to Circuit Design (SMACD), Seville - Sapin. URL: http://dx.doi.org/10.1109/SMACD.2012.6339449.

Pereira, Pedro and Fino, Maria H. and Neves, Mário (2012) RF Varactor Design Based on Evolutionary Algorithms. [Paper]. In: 19th International Conference Mixed Design of Integrated Circuits and Systems (MIXDES), 24-26 May 2012, Warsaw, Poland. URL: http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&amp....

Pereira, Pedro and Coito, Fernando and Fino, Maria H. (2012) PSO-Based Design of RF Integrated Inductor. [Paper]. In: Doctoral Conference on Computing, Electrical and Industrial Systems - DoCEIS 2012, February 27-29, 2012, Costa de Caparica, Portugal. URL: http://dx.doi.org/10.1007/978-3-642-28255-3_52.

Pereira, Pedro and Fino, Maria H. and Coito, Fernando and Ventim-Neves, M. (2012) Optimization-Based Design of Nano-CMOS LC-VCOs. [Paper]. In: Doctoral Conference on Computing, Electrical and Industrial Systems - DoCEIS 2012, February 27-29, 2012, Costa de Caparica, Portugal. URL: http://dx.doi.org/10.1007/978-3-642-28255-3_50.

Pereira, Pedro and Sallem, Amin and Fakhfakh, Mourad and Fino, Maria H. and Coito, Fernando (2012) A Technology-Aware Optimization of RF Integrated Inductors. In: Tlelo-Cuautle, Esteban, (ed.). Analog Circuits: Applications, Design and Performance. Nova Science Publishers, Inc.. ISBN 978-1-61324-355-8. URL: https://www.novapublishers.com.

Vieira, Manuel Augusto and Fantoni, Alessandro and Louro, Paula and Steiger-Garção, Adolfo and Vieira, Manuela (2012) Photonics Active Filters Based on SiC Multilayer Structures: A Two Stage Active Circuit. [Paper]. In: Doctoral Conference on Computing, Electrical and Industrial Systems - DoCEIS 2012, February 27-29, 2012, Costa de Caparica, Portugal. URL: http://dx.doi.org/10.1007/978-3-642-28255-3_55.

2011

Figueiredo, Michael and Santos-Tavares, Rui and Santin, Edinei and Ferreira, João and Evans, Guiomar and Goes, João (2011) A Two-Stage Fully Differential Inverter-Based Self-Biased CMOS Amplifier With High Efficiency. IEEE Transactions on Circuits and Systems I: Regular Papers, 58 (7), pp. 1591-1603. ISSN 1549-8328. eISSN 1558-0806. URL: http://dx.doi.org/10.1109/TCSI.2011.2150910.

2010

Vieira, M and Fernandes, M and Louro, P and Fantoni, A. and Vieira, M.A. and Costa, João and Barata, M. (2010) Reviewing Photo-sensing Devices Using a-Si Based Materials. [Paper]. In: Materials Research Society Symposium Proceedings. URL: http://dx.doi.org/10.1557/PROC-1245-A08-02.

Vieira, M and Louro, P and Vieira, M.A. and Costa, J. and Fernandes, M and Vygranenko, Y. and Barata, M. (2010) Monolithic a-SiC:H Stack Architectures as Tunable Optical Filters for Spectral Analysis. [Paper]. In: Materials Research Society Symposium Proceedings. URL: http://dx.doi.org/10.1557/PROC-1246-B07-08.

Vieira, M and Vieira, M.A. and Costa, J. and Louro, P and Fernandes, M and Fantoni, A. (2010) Light-triggered Silicon-carbon Pi'npin Devices for Optical Communications: Theoretical and Electrical Approaches. [Paper]. In: Materials Research Society Symposium Proceedings. URL: http://dx.doi.org/10.1557/PROC-1245-A18-06.

2009

Simons, Lara (2009) Automatic sleep apnea detection and sleep classification using the ECG and the Sp02 signals. Batista, Arnaldo and Ortigueira, Manuel (supervisors). Masters thesis, FCT-UNL.

Dias, Carlos (2009) Osciladores de rádio frequência em quadratura com acoplamneto capacitivo. Oliveira, Luís B. (supervisor). Masters thesis, FCT-UNL.

Nascimento, Bruno (2009) MicroECG: an integrated platform for the cardiac arrythmia detection and characterization. Batista, Arnaldo and Alves, Luís and Ortigueira, Manuel (supervisors). Masters thesis, FCT-UNL.

Figueiredo, M. and Michalak, T. and Goes, J. and Gomes, L. and Sniatala, P. (2009) Improved clock-phase generator based on self-biased CMOS logic for time-interleaved SC circuits. [Paper]. In: Electronics, Circuits, and Systems, 2009. ICECS 2009. 16th IEEE International Conference on.

Filanovsky, I.M and Oliveira, LB and Fernandes, J. (2009) Wide Tuning Range Quadrature VCO Using Coupled Multivibrators. Electronics and Telecommunications Quartely, 55 (4), pp. 53-68.

Oliveira, J.P. and Oliveira, LB and Ferreira, J. and Bastos, I. and Michalak, T. and Pankiewicz, P. and Nowacki, B. and Makosa, P. and Rybarczyk, A. (2009) LNA, Oscillator and Mixer Co-Design Strategy Approach for RF-CMOS. Electronics and Telecommunications Quartely.

Águas, João (2009) Projecto e Realização de Sensores de Temperatura Analógicos e Digitais. Goes, João (supervisor). Masters thesis, FCT-UNL.

Baptista, Acácio (2009) Novel techniques for design and practical realization of switched-capacitor circuilts in eep-submicron CMOS technologies. Goes, João (supervisor). PhD thesis, FCT-UNL.

Makosa, Piotr (2009) Reduced Noise Switched-Capacitor Integrator. Paulino, Nuno (supervisor). Masters thesis, FCT-UNL.

Michalak, Tomasz (2009) Systematic Design of multi-phase clock-generators for low-jitter edge-driven switching based on asynchronous machines for multi-channel time-interleaved ADC's. Goes, João and Gomes, Luís (supervisors). Masters thesis, FCT-UNL.

Nowacki, Blazej (2009) New Built-In Self Test methodology for high speed, low-power ADCs. Oliveira, Luís B. (supervisor). Masters thesis, FCT-UNL.

Pankiewicz, Pawel (2009) Design of a 2.5-bit flash quantizer for high-speed high-resolution pipeline ADC's. Goes, João and Figueiredo, Michael (supervisors). Masters thesis, FCT-UNL.

Snelling, Erik (2009) On-chip RF oscillators for Ultra High Speed Analogue-to-Digital Converters. Oliveira, Luís B. (supervisor). Masters thesis, FCT/UNL.

Gama, R. and Galhardo, A. and Goes, João and Paulino, Nuno and Neves, R. and Horta, N. (2009) Design of a low-power, open loop, multiply-by-two amplifier with gain-accuracy improved by local-feedback. [Paper]. In: International Conference on Mixed Design of Integrated Circuits & Systems, 2009. MIXDES '09.. (ISI Web of Science).

Martins, M. and Oliveira, LB and Fernandes, J. (2009) Combined LNA and Mixer Circuits for 2.4 GHz ISM Band. [Paper]. In: IEEE Int. Symp. Circuits and Systems.

Martins, Hélio (2009) Image Retrieval Efficiency based on selected MPEG-7 descriptors. Fonseca, José and Goes, João (supervisors). Masters thesis, FCT-UNL.

Silva, V. and Fernandes, J. and Oliveira, LB and Véstias, M. and Neto, H. (2009) Magnetic RAM Reconfigurable Array. [Paper]. In: V Jornadas sobre Sistemas Reconfiguráveis, Monte de Caparica. (ISI Web of Science).

Faleiro, Pedro (2009) Sistema de transmissão rádio UWB para amplificação digital de áudio com modulação sigma-delta. Goes, João (supervisor). Masters thesis, FCT-UNL.

Costa, João and Fernandes, Miguel and Vieira, Manuela and Carvalho, C. N. and Lavareda, G. and Karmali, Amin (2009) Electronic Detection and Quantification of ions in solution using an a-Si:H Field-effect Device. [Paper]. In: Materials Research Society Symposium Proceedings. URL: http://dx.doi.org/10.1557/PROC-1153-A19-06.

Fantoni, A. and Fernandes, M. and Vieira, M. and Casteleiro, C. and Schwarz, R. (2009) a-Si:H p–i–n structures with extreme i-layer thickness. Thin Solid Films, 517 (23), pp. 6426-6429. ISSN 0040-6090. URL: http://dx.doi.org/10.1016/j.tsf.2009.02.073.

Fantoni, A. and Martins, J. and Fernandes, M. and Louro, P. and Vygranenko, Y. and Vieira, M. (2009) Modeling a-SiC:H Tandem Pinpin and Pinip Photodiodes for Color Sensor Application. Journal of Nanoscience and Nanotechnology, 9 (7), pp. 4028-4033. ISSN 1533-4880. URL: http://dx.doi.org/10.1166/jnn.2009.M06.

Fantoni, A. and Vieira, M. and Vygranenko, Y. and Fernandes, M. and Louro, P. (2009) Photocurrent and Spectral Response Analysis of a-SiC:H Pinip and Pinpin Photodiodes. Journal of Nanoscience and Nanotechnology, 9 (7), pp. 4254-4258. ISSN 1533-4880. URL: http://dx.doi.org/10.1166/jnn.2009.M42.

Ferreira, J. and Bastos, I. and Oliveira, Luís B. and Oliveira, J.P. and Michalak, T. and Pankiewicz, P. and Makosa, P. and Nowacki, B. and Rybarczyk, A. (2009) Outstanding Paper Award: LNA, Oscillator, and Mixer, Co-Design for Compact RF-CMOS ISM Receivers. [Award].

Filanovsky, IM and Oliveira, LB and Fernandes, J. (2009) Wide Tuning Range Quadrature VCO. [Paper]. In: 16th International Conference on Mixed Design of Integrated Circuits and Systems, JUN 25-27, 2009, Lodz, POLAND. (ISI Web of Science).

Goes, João (2009) A 13b 80MS/s self-calibrated pipelined ADC. [Prototype].

Louro, P and Vieira, M and Costa, J. and Vieira, M.A. and Fernandes, M and Fantoni, A. and Barata, M. (2009) a-SiC:H Based Devices as Optical Demultiplexers. [Paper]. In: Materials Research Society Symposium Proceedings. URL: http://dx.doi.org/10.1557/PROC-1246-B07-07.

Louro, P. and Fantoni, A. and Fernandes, M. and Vieira, M. (2009) Stacked pin devices for imaging applications. [Paper]. In: 2009 6th International Multi-Conference on Systems, Signals and Devices, 23-26 March 2009, Djerba, TUNISIA. URL: http://dx.doi.org/10.1109/SSD.2009.4956661. (ISI Web of Science).

Louro, P. and Vieira, M. and Vieira, M.A. and Fernandes, M. and Fantoni, A. and Francisco, C. and Barata, M. (2009) Optical multiplexer for short range communications. Physica E: Low-dimensional Systems and Nanostructures, 41 (6), pp. 1082-1085. ISSN 1386-9477. URL: http://dx.doi.org/10.1016/j.physe.2008.08.029. (ISI Web of Science, Citations: 8).

Louro, Paula and Vieira, Manuela and Vieira, M.A. and Fernandes, Miguel and Fantoni, Alessandro and Lavareda, G. and Carvalho, C. N. (2009) Optical Processing Devices for Optical Communications: Multilayered a-SiC:H Architectures. [Paper]. In: Materials Research Society Symposium Proceedings, 13 - 17 April 2009, S. Francisco, U.S.A. URL: http://dx.doi.org/10.1557/PROC-1153-A19-01.

Oliveira, J.P. and Goes, João (2009) A MOSFET-Only 1.2V 8-bit 120MS/s Time-Interleaved CMOS Pipeline ADC Fully Based on MOS Parametric Amplification. [Prototype].

Pereira, Pedro and Fino, Maria H. and Coito, Fernando and Neves, M Ventim (2009) ADISI- An efficient tool for the automatic design of integrated spiral inductors. [Paper]. In: 2009 16th IEEE International Conference on Electronics, Circuits and Systems - (ICECS 2009), 13-16 Dec. 2009, Yasmine Hammamet, Tunisia. URL: http://dx.doi.org/10.1109/ICECS.2009.5410776.

Pereira, Pedro and Fino, Maria H. and Coito, Fernando J. (2009) Using discrete-variable optimization for CMOS spiral inductor design. [Paper]. In: 2009 International Conference on Microelectronics - ICM, 19-22 Dec. 2009, Marrakech, Morocco. URL: http://dx.doi.org/10.1109/ICM.2009.5418617.

Rato, Raul and Ortigueira, MD and Batista, AG (2009) The Empirical Mode Decomposition an Useful Tool for Signal Analysis. In: New Signal Processing Research. Nova Science Publishers, Inc.,, pp. 455-475. ISBN 978-1-60456-479-2.

Vieira, M. and Fantoni, A. and Fernandes, M. and Louro, P. and Lavareda, G. and Carvalho, C. N. (2009) Pinpi'n and Pinpii'n Multilayer Devices with Voltage Controlled Optical Readout. Journal of Nanoscience and Nanotechnology, 9 (7), pp. 4022-4027. ISSN 1533-4880. URL: http://dx.doi.org/10.1166/jnn.2009.M05.

Vieira, M. and Louro, P. and Fantoni, A. and Fernandes, M. and Vieira, M.A. and Barata, M. (2009) New stacked photodevices for signal multiplexing and demultiplexing applications in the visible spectrum. [Paper]. In: 2009 6th International Multi-Conference on Systems, Signals and Devices, 23-26 March 2009. URL: http://dx.doi.org/10.1109/SSD.2009.4956653. (ISI Web of Science).

Vieira, M. and Louro, P. and Fernandes, M. and Vieira, M.A. and Fantoni, A. and Barata, M. (2009) Large area double p–i–n heterostructure for signal multiplexing and demultiplexing in the visible range. Thin Solid Films, 517 (23), pp. 6435-6439. ISSN 0040-6090. URL: http://dx.doi.org/10.1016/j.tsf.2009.02.096.

Vieira, Manuel Augusto and Vieira, Manuela and Louro, Paula and Fernandes, Miguel and Fantoni, Alessandro and Barata, Manuel (2009) Voltage Controlled Amorphous Si/SiC Phototransistors and Photodiodes as Wavelength Selective Devices: Theoretical and Electrical Approaches. [Paper]. In: Materials Research Society Symposium Proceedings. URL: http://dx.doi.org/10.1557/PROC-1153-A08-03.

Vieira, Manuela and Fantoni, Alessandro and Fernandes, Miguel and Louro, Paula (2009) Fine Tuning of the Spectral Sensitivity in a-SiC:H Stacked p-i'i-n Graded Cells. [Paper]. In: Materials Research Society Symposium Proceedings, 3 - 17 April 2009, S. Francisco, 1 U.S.A.. URL: http://dx.doi.org/10.1557/PROC-1153-A19-02.

Vygranenko, Y. and Sazonov, A. and Heiler, G. and Tredwell, T. and Vieira, M. and Nathan, A. (2009) Blue-enhanced thin-film photodiode for dual-screen x-ray imaging. Applied Physics Letters, 95 (26), p. 263505. ISSN 0003-6951. URL: http://dx.doi.org/10.1063/1.3276288. (ISI Web of Science, Citations: 2).

Vygranenko, Y. and Wang, K. and Chaji, R. and Vieira, M. and Robertson, J. and Nathan, A. (2009) Stability of indium-oxide thin-film transistors by reactive ion beam assisted deposition. Thin Solid Films, 517 (23), pp. 6341-6344. ISSN 0040-6090. URL: http://dx.doi.org/10.1016/j.tsf.2009.02.108. (ISI Web of Science, Citations: 4).

Vygranenko, Yuri and Fathi, Ehsanollah and Sazonov, Andrei and Vieira, Manuela and Heiler, Gregory and Tredwell, Timothy and Nathan, Arokia (2009) Optimization of p-type Nanocrystalline Silicon Thin Films for Solar Cells and Photodiodes. [Paper]. In: Materials Research Society Symposium Proceedings. URL: http://dx.doi.org/10.1557/PROC-1153-A06-02.

2008

Higino, José F. (2008) Sistema de Optimização de Amplificadores em Ambiente Distribuído. Goes, João (supervisor). Masters thesis, FCT-UNL.

Filanovsky, I. M. and Oliveira, Luís B. and Verhoeven, C.J. and Fernandes, J. (2008) Switching Time in Relaxation Oscillations of Emitter-Coupled Multivibrators. IEEE Transactions on Circuits and Systems II, 55 (9), pp. 892-896. ISSN 1549-7747. (ISI Web of Science, Citations: 1).

Faria, Pedro (2008) Amplificador de ganho programável de 16-bits com característica sub-binária para aplicações espaciais. Goes, João (supervisor). Masters thesis, FCT-UNL.

Penetra, Nuno F. (2008) Conversor Flash de 3.5-bit com comparador estático para frequência de amostragem de 80 MS/s. Goes, João (supervisor). Masters thesis, FCT-UNL.

Casteleiro, C. and Schwarz, R. and Mardolcar, U. and Maçarico, A. and Martins, J. and Vieira, M. and Wuensch, F. and Kunst, M. and Morgado, E. and Stallinga, P. and Gomes, H. (2008) Spatially-resolved photocapacitance measurements to study defects in a-Si:H based p–i–n particle detectors. Thin Solid Films, 516 (15), pp. 5118-5121. ISSN 0040-6090. URL: http://dx.doi.org/10.1016/j.tsf.2008.01.012.

Custodio, J. R. and Paulino, N. and Goes, J. and Bruun, Erik (2008) Multi-bit sigma-delta modulators with enhanced dynamic-range using non-linear DAC for hearing aids. [Paper]. In: 2008 15th IEEE International Conference on Electronics, Circuits and Systems, Aug. 31 2008-Sept. 3 2008, St. Julien's. URL: http://dx.doi.org/10.1109/ICECS.2008.4675051.

Esperanca, B. and Goes, J. and Tavares, R. and Galhardo, A. and Paulino, N. and Medeiros Silva, M. (2008) Power-and-area efficient 14-bit 1.5 MSample/s two-stage algorithmic ADC based on a mismatch-insensitive MDAC. [Paper]. In: 2008 IEEE International Symposium on Circuits and Systems, 18-21 May 2008, Seattle, WA. URL: http://dx.doi.org/10.1109/ISCAS.2008.4541394.

Fernandes, J. and Goncalves, H. and Oliveira, L. and Silva, M. (2008) A Pulse Generator for UWB-IR Based on a Relaxation Oscillator. IEEE Transactions on Circuits and Systems II: Express Briefs, 55 (3), pp. 239-243. ISSN 1549-7747. URL: http://dx.doi.org/10.1109/TCSII.2008.918968. (ISI Web of Science, Citations: 8).

Fernandes, M. and Vygranenko, Y. and Fantoni, A. and Martins, R. and Vieira, M. (2008) Spectral response characterization of a-Si:H-based MIS-type photosensors. [Paper]. In: E-MRS 2007 Spring Meeting Symposium on Advances in Transparent Electronics: From Materials to Devices II, May 28 to June 1, 2007, Congress Center - Strasbourg (France).

Fernandes, M. and Vygranenko, Y. and Fantoni, A. and Martins, R. and Vieira, M. (2008) Spectral response characterization of a-Si:H-based MIS-type photosensors. physica status solidi (c), 5 (10), pp. 3410-3413. ISSN 1610-1634. eISSN 1610-1642. URL: http://dx.doi.org/10.1002/pssc.200778924.

Fernandes, M. and Vygranenko, Yu and Vieira, M. and Heiler, G. and Tredwell, T. and Nathan, A. (2008) Transient Current in a-Si:H-Based MIS Photosensors. [Paper]. In: Symposium on Amorphous and Polycrystalline Thin-Film Silicon Science and Technology held at the 2008 MRS Spring Meeting.

Figueiredo, M. and Paulino, N. and Evans, G. and Goes, J. (2008) New simple digital self-calibration technique for pipeline ADCs using the internal thermal noise. [Paper]. In: 2008 IEEE International Symposium on Circuits and Systems, 18-21 May 2008, Seattle, WA. URL: http://dx.doi.org/10.1109/ISCAS.2008.4541397. (ISI Web of Science).

Galhardo, A. and Goes, J. and Paulino, N. (2008) Low-power 6-bit 1-GS/s two-channel pipeline ADC with open-loop amplification using amplifiers with local-feedback. [Paper]. In: 2008 IEEE International Symposium on Circuits and Systems, 18-21 May 2008, Seattle, WA. URL: http://dx.doi.org/10.1109/ISCAS.2008.4541903.

Goes, J. (2008) ADC Circuits for Biochemical Applications. In: Iniewski, K., (ed.). VLSI Circuits for Biomedical Applications. Artech House Publishers. ISBN 159693784X. eISBN 9781596937840.

Gorley, P.M. and Mysliuk, O.M. and Vieira, M. and Horley, P.P. and Dugaev, V. K. and Barnas, J. (2008) Spin polarization of dilute magnetic semiconductors under optical excitation of impurity levels. UKRAINIAN JOURNAL OF PHYSICAL OPTICS, 9 (1), pp. 60-71. ISSN 1609-1833. (ISI Web of Science).

KIM, K and VYGRANENKO, Y and STRIAKHILEV, D and BEDZYK, M and CHANG, J and NATHAN, A and CHUANG, T and HEILER, G and TREDWELL, T (2008) Performance of a-Si:H n–i–p photodiodes on plastic substrate. Journal of Non-Crystalline Solids, 354 (19-25), pp. 2590-2593. ISSN 0022-3093. URL: http://dx.doi.org/10.1016/j.jnoncrysol.2007.09.042.

Oliveira, J.P. and Goes, J. and Paulino, N. and Fernandes, J. and Paisana, J. (2008) New low-power 1.5-bit time-interleaved MDAC based on MOS capacitor amplification. [Paper]. In: 15th IEEE International Conference on Electronic Circuits and Systems (ICECS'2008), 31 Aug 2008 - 3 Sep 2008, Malta.

Oliveira, J.P. and Goes, J. and Paulino, N. and Fernandes, J. and Paisana, J. (2008) A multiplying-by-two CMOS amplfifier for highspeed ADCs based on parametric amplification. [Paper]. In: 15th International Conference on Mixed Design of Integrated Circuits and Systems, 2008 (MIXDES '08), 19-21 Jun 2008, Poznan - Polónia. (ISI Web of Science).

Oliveira, L. and van den Bos, Chris and Fernandes, Jorge R. and Verhoeven, Chris J. M. and Silva, Manuel M. (2008) A 5 GHz quadrature relaxation oscillator with mixing for improved testability or compact front-end implementation. International Journal of Circuit Theory and Applications, n/a-n/a. ISSN 0098-9886. eISSN 1097-007X. URL: http://dx.doi.org/10.1002/cta.562.

Oliveira, Luis Bica and Filanovsky, I. M. and Fernandes, Jorge R. (2008) Analysis of oscillators synchronized by second harmonic. [Paper]. In: 2008 51st Midwest Symposium on Circuits and Systems, 10-13 Aug 2008, Knoxville - USA. URL: http://dx.doi.org/10.1109/MWSCAS.2008.4616822. (ISI Web of Science).

Oliveira, Luís B. and Fernandes, F. and Verhoeven, Chris and Filanovsky, Igor and Silva, Manuel (2008) Analysis and Design of Quadrature Oscillators. Analog Circuits and Signal Processing . Springer Netherlands, Netherlands. ISBN 978-1-4020-8515-4. eISBN 978-1-4020-8516-1. URL: http://dx.doi.org/10.1007/978-1-4020-8516-1.

Paulino, N. and Goes, J. and Steiger-Garcao, A. (2008) A CMOS variable width short-pulse generator circuit for UWB RADAR applications. [Paper]. In: 2008 IEEE International Symposium on Circuits and Systems, 18-21 May 2008, Seatle. URL: http://dx.doi.org/10.1109/ISCAS.2008.4542017. (ISI Web of Science, Citations: 1).

Paulino, N. and Goes, J. and Steiger-Garção, A. (2008) Low Power Uwb Cmos Radar Sensors. Analog Circuits and Signal Processing . Springer Netherlands, Países Baixos. ISBN 978-1-4020-8409-6. eISBN 978-1-4020-8410-2. URL: http://dx.doi.org/10.1007/978-1-4020-8410-2.

Pereira, P and Fino, Maria H. (2008) CMOS Delay and Power Estimation for Deep Submicrometer Technologies Using EKV Model. [Paper]. In: 10th International Workshop on Symbolic and Numerical Methods, Modeling and Applications to Circuit Design (SM2ACD 2008), 7-8 Oct 2008, Erfurt - Alemanha.

Santos-Tavares, R. and Paulino, N. and Higino, J. and Goes, J. and Oliveira, J. P. (2008) Optimization of multi-stage amplifiers in deep-submicron CMOS using a distributed/parallel genetic algorithm. [Paper]. In: 2008 IEEE International Symposium on Circuits and Systems, 18-21 May 2008, Seattle, WA. URL: http://dx.doi.org/10.1109/ISCAS.2008.4541520.

Simas, T. and Rocha, L.M. (2008) Stochastic model for scale-free networks with cutoffs. Physical Review E, 78 (6), 066116-1-066116-7. ISSN 1539-3755. eISSN 1550-2376. URL: http://dx.doi.org/10.1103/PhysRevE.78.066116. (ISI Web of Science, Citations: 2).

Souto, Nuno and Dinis, Rui and Silva, Joao Carlos and Carvalho, Paulo (2008) A High Throughput Technique for OFDM Systems. [Paper]. In: 2008 IEEE Wireless Communications and Networking Conference, 31 Mar - 3 Apr 2008, Las Vegas. URL: http://dx.doi.org/10.1109/WCNC.2008.58. (ISI Web of Science).

Vieira, M. and Fantoni, A. and Louro, P. and Fernandes, M. and Schwarz, R. and Lavareda, G. and Carvalho, C. N. (2008) Self-biasing effect in colour sensitive photodiodes based on double p-i-n a-SIC:H heterojunctions. Vacuum, 82 (12), pp. 1512-1516. ISSN 0042-207X. URL: http://dx.doi.org/10.1016/j.vacuum.2008.03.056.

Vieira, M. and Fernandes, M. and Louro, P. and Vieira, M.A. and Barata, M. and Fantoni, A. (2008) Multilayered a-SiC:H Device for Wavelength-Division (de)Multiplexing Applications in the Visible Spectrum. [Paper]. In: Symposium on Amorphous and Polycrystalline Thin-Film Silicon Science and Technology 2008.

Vieira, M. and Fernandes, M. and Louro, P. and Vieira, M.A. and Barata, M. and Fantoni, A. (2008) Non-selective optical wavelength-division multiplexing devices based on a-SiC:H multilayer heterostuctures. [Paper]. In: Symposium on Materials and Devices for Laser Remote Sensing and Optical Communication 2008, 24 -29 March, 2008, S. Francisco, USA.

Vygranenko, Y. and Wang, K. and Vieira, M. and Nathan, A. (2008) Indium oxide thin-film transistor by reactive ion beam assisted deposition. physica status solidi (a), 205 (8), pp. 1925-1928. ISSN 0031-8965. eISSN 1521-396X. URL: http://dx.doi.org/10.1002/pssa.200778883. (ISI Web of Science, Citations: 4).

Wang, K. and Vygranenko, Y. and Nathan, A. (2008) Fabrication and characterization of NiO/ZnO/ITO p–i–n heterostructure. Thin Solid Films, 516 (7), pp. 1640-1643. ISSN 0040-6090. URL: http://dx.doi.org/10.1016/j.tsf.2007.03.075.

2007

Esperança, Bruno (2007) Power and Area Efficient Algorithmic ADC based on a Mismatch-Insensitive MDAC. Goes, João (supervisor). Masters thesis, FCT-UNL.

Fernandes, J. and Kouwenhoven, M. and van den Bos, C. and Oliveira, Luís B. and Verhoeven, C. J. (2007) The Effect of Mismatches and Delay on the Quadrature Error of a Cross-Coupled Relaxation Oscillator. IEEE Transactions on Circuits and Systems I – Regular Papers, 54, pp. 2592-2598. (ISI Web of Science, Citations: 5).

Pereira, Pedro and Fino, Maria H. (2007) Delay Propagation of a CMOS Inverter Using the Nexp Transistor Model. [Paper]. In: XXII Conference on Design of Circuits and Integrated Systems, 21-23 November, Sevilla - Spain.

Rodrigues, Marco (2007) Técnicas avançadas de auto-calibração de ACDs de elevado ritmo-de-conversão utilizando ruído gaussiano. Goes, João (supervisor). Masters thesis, FCT-UNL.

Galhardo, A. and Goes, João and Paulino, Nuno (2007) Design of Improved Rail-to-Rail Low-Distortion and Low-Stress Switches in Advanced CMOS Technologies. [Paper]. In: ICECS 2007 - 14th IEEE International Conference on Electronic Circuits and Systems, Sept. 2007. (ISI Web of Science).

Allam, A. and Filanovsky, IM and Oliveira, LB and Fernandes, JR (2007) Experimental comparison of coupling effects on the performance of quadrature CMOS LC and RC oscillators. [Paper]. In: 50th IEEE Int. Midwest Symposium on Circuits and Systems (MWSCAS’07), August 2007, Montreal, CANADA. (ISI Web of Science).

Oliveira, J.P. and Goes, João and Paulino, Nuno and Fernandes, J. (2007) Improved Low-Power Low-Voltage CMOS Comparator for 4-Bit Flash ADCS for UWB Applications. [Paper]. In: 14th International Conference on Mixed Design of Integrated Circuits and Systems, 2007. MIXDES '07, 21-23 June 2007, Ciechocinek, Poland. (ISI Web of Science).

Oliveira, LB and Fernandes, J. and Silva, M. and Filanovsky, I. M. and Verhoeven, C. J. (2007) Experimental Evaluation of Phase-Noise and Quadrature Error in a CMOS 2.4 GHz Relaxation Oscillator. [Paper]. In: IEEE Int. Symp. Circuits and Systems (ISCAS’07), May 2007, New Orleans, LA.

Fantoni, A. and Martins, J. and Fernandes, M. and Louro, P. and Vygranenko, Yu and Vieira, Manuela (2007) Photocurrent profile in a-SiC:H monolithic tandem pinpin and pinip photodiodes. [Poster]. In: 2007 MRS Spring Meeting, April 9-13, 2007, San Francisco, CA, USA.

Fernandes, M. and Vieira, M. and Martins, R. (2007) Modeling the Laser Scanned Photodiode S-shaped J-V Characteristic. [Paper]. In: Symposium on Amorphous and Polycrystalline Thin-Film Silicon Science and Technology held at the 2007 MRS Spring Meeting, 09-13 Apr. 2007, San Francisco. (ISI Web of Science).

Fernandes, M. and Vieira, Manuela and Martins, R. (2007) Non Linear Effects in the Photocurrent Behavior: A Requirement in the Laser Scanned Photodiode technique. [Paper]. In: International meeting on developments in materials, processes and applications of nanotechnologies, 14-16 Jan 2007, Belfast, UK.

Goes, J. and Pereira, J. and Paulino, N. and Medeiros-Silva, M. (2007) Switched-Capacitor Multiply-By-Two Amplifier Insensitive to Component Mismatches. IEEE Transactions on Circuits and Systems II: Express Briefs, 54 (1), pp. 29-33. ISSN 1549-7747. URL: http://ieeexplore.ieee.org/xpl/RecentIssue.jsp?pun.... (ISI Web of Science, Citations: 4).

Goes, João (2007) A 1.2 V 14-bit 1.54MS/s 10mW Calibration-Free Pipeline ADC. [Prototype].

Goes, João (2007) Ultra Low-Power Comparators using embedded amplification based on MOS capacitors changing from inversion into depletion. [Prototype].

Louro, P and Vygranenko, Y. and Martins, J. and Fernandes, M. and Vieira, M. (2007) Colour sensitive devices based on double p-i-n-i-p stacked photodiodes. Thin Solid Films, 515 (19), pp. 7526-7529. ISSN 0040-6090. URL: http://dx.doi.org/10.1016/j.tsf.2006.11.132. (ISI Web of Science).

Louro, P. and Fernandes, M. and Fantoni, A. and Lavareda, G. and Carvalho, C. N. and Vieira, Manuela (2007) Large Area Optically Addressed Write-Read Sensor. [Other]. In: 14th edition of the international conference on solid-state sensors, actuators and microsystems – Transducers, June10-14, 2007, Lyon, France. (Submitted).

Louro, P. and Fernandes, M. and Vieira, Manuela (2007) Two terminal optically addressed colour and image processing device. [Paper]. In: Fourth IEEE International Conference on Smart Systems and Devices Hammamet, March 19-22, 2007, Tunisia.

Louro, P. and Vieira, M. and Garção, A. Steiger and Vygranenko, Yu. and Fernandes, M. (2007) Optical Image and Color Recognition Using Monolithic Tandem Pinip and Pinpin Heterojunctions: A Comparison. [Paper]. In: 2007 International Conference on Sensor Technologies and Applications (SENSORCOMM 2007), 14-20 Oct. 2007, Valencia. URL: http://dx.doi.org/10.1109/SENSORCOMM.2007.4394948.

Louro, P. and Vieira, M. and Vygranenko, Y. and Fernandes, M. and Steiger-Garcao, A. (2007) Optical readout in pinpi’n and pini’p imagers: a comparison. [Paper]. In: Amorphous and Polycrystalline Thin-Film Silicon Science and Technology—2007, April 9-13, 2007, San Francisco, California, U.S.A..

Louro, P. and Vieira, Manuela and Fantoni, A. and Fernandes, M. and Martins, J. and Lavareda, G. and Carvalho, N. and Schwarz, R. (2007) Optical readout in pinpi’n and pini’p imagers: a comparison. [Paper]. In: 2007 MRS Spring Meeting, April 9-13, 2007, San Francisco, CA, USA.

Martins, J. and Fernandes, M. and Fantoni, A. and Vygranenko, Yu and Vieira, Manuela (2007) Multispectral p-i-n tandem heterojunctions under non uniform illumination: A SPICE simulation. [Other]. In: submitted to E-MRS, May 28 to June 1, 2007, Strasbourg (France). (Submitted).

Martins, J. and Louro, P. and Fernandes, M. and Vieira, Manuela (2007) a-SiC:H Multilayer Structures: an Electrical Simulation based on SPICE Models. [Paper]. In: Fourth IEEE International Conference on Smart Systems and Devices Hammamet, March 19-22, 2007, Tunisia.

Maçarico, F. and Fernandes, M. and Sanguino, P. and Vieira, Manuela (2007) Amorphous Carbon Films Grown by CVD Using Acetylene Source Gas. [Paper]. In: MPA-2007, International meeting on developments in materials, processes and applications of nanotechnologies, 14 a 16 de Janeiro de 2007, Belfast, UK.

Maçarico, F. and Sanguino, P. and Fernandes, M. and Vieira, M. (2007) Amorphous Hydrogenated Carbon Films Deposited From Acetylene. [Paper]. In: International meeting on developments in materials, processes and applications of nanotechnologies (MPA-2007), 14-16 Jan 2007, Belfast.

Maçarico, F. and Sanguino, P. and Fernandes, M. and Vieira, M. (2007) Optical Absorption and Apparent Bandgap of Acetylene-Based DLC Films. [Paper]. In: E-MRS 2007 Spring Meeting, 28 May - 1 Jun 2007, Strasbourg.

Maçarico, F. and Sanguino, P. and Fernandes, M. and Vieira, M. (2007) Structure of Diamond-Like Carbon from Acetylene. [Paper]. In: 22nd International Conference on Amorphous and Nanocrystalline Semiconductors (ICANS22), 19–24 Aug 2007, Colorado.

Oliveira, J.P. and Goes, João and Paulino, Nuno and Fernandes, J. and Paisana, J. (2007) Incomplete modeling when using MOS capacitor changing from inversion into depletion: A comparator design as an example. [Poster]. In: MOS-AK/ESSDERC/ESSCIRC workshop, September 2007, Munich - Germany.

Vieira, M. and Fantoni, A. and Fernandes, M. and Louro, P. (2007) Multispectral Structures for Imaging Applications. [Paper]. In: 2007 International Conference on Sensor Technologies and Applications (SENSORCOMM 2007), 14-20 Oct. 2007, Valencia. URL: http://dx.doi.org/10.1109/SENSORCOMM.2007.4394894. (ISI Web of Science, Citations: 8).

Vieira, M. and Fantoni, A. and Fernandes, M. and Louro, P. and Lavareda, G. and Carvalho, C. N. (2007) Bias sensitive multispectral structures for imaging applications. Thin Solid Films, 515 (19), pp. 7566-7570. ISSN 0040-6090. URL: http://dx.doi.org/10.1016/j.tsf.2006.11.149. (ISI Web of Science, Citations: 8).

Vieira, M. and Fernandes, M. and Louro, P. and Sanguino, P. and Fantoni, A. (2007) Preliminary Results on Large Area X-Ray a-SiC:H Multilayer Detectors with Optically Addressed Readout. [Paper]. In: Symposium on Amorphous and Polycrystalline Thin-Film Silicon Science and Technology held at the 2007 MRS Spring Meeting, 09-13 Apr. 2007.

Vieira, M. and Louro, P. and Fantoni, A. and Fernandes, M. (2007) Optical Controlled Spectral Selectivity in Multilayer Heterostructures. [Paper]. In: 4th IEEE International Multi-Conference on Systems, Signals & Devices (SSD'07) - Conference on Sensors, Circuits and Instrumentation Systems, Mar 2007, Hammamet.

Vieira, Manuela and Fantoni, A. and Fernandes, M. and Louro, P. and Lavareda, G. and Carvalho, C. N. (2007) Imaging Applications Using Multispectral Structures and an Optical Readout. [Paper]. In: Fourth IEEE International Conference on Smart Systems and Devices Hammamet, March 19-22, 2007, Tunisia.

Vieira, Manuela and Fantoni, A. and Fernandes, M. and Louro, P. and Lavareda, G. and Carvalho, C. N. (2007) Multispectral structures for imaging applications. [Other]. In: E-MRS, May 28 to June 1, 2007, Congress Center - Strasbourg (France). (Submitted).

Vieira, Manuela and Fantoni, A. and Louro, P. and Fernandes, M. and Lavareda, G. and Carvalho, N. and Schwarz, R. (2007) Tailoring generation profiles in multispectral wide band gap detectors. [Other]. In: E-MRS, May 28 to June 1, 2007, Congress Center - Strasbourg (France). (Submitted).

Vieira, Manuela and Fantoni, A. and Martins, J. and Fernandes, M. and Louro, P. and Vygranenko, Yu (2007) Modelling a-SiC:H Monolithic Tandem Pinpin and Pinip Photodiodes for Sensor Applications. [Poster]. In: International meeting on developments in materials, processes and applications of nanotechnologies, 14 a 16 de Janeiro de 2007, Belfast, UK.

Vieira, Manuela and Louro, P. and Fantoni, A. and Fernandes, M. and Martins, J. and Lavareda, G. and Carvalho, N. and Schwarz, R. (2007) Pinpi’n and Pini’p Multilayer Devices with Voltage Controlled Optical Readout. [Paper]. In: International meeting on developments in materials, processes and applications of nanotechnologies, 14 a 16 de Janeiro de 2007, Belfast, UK.

Vieira, Manuela and Louro, P. and Fernandes, M. and Fantoni, A. and Lavareda, G. and Carvalho, C. N. (2007) Optical Image and Colour Recognition using Monolithic Tandem pinip and pinpin heterojunctions : a comparision. [Other]. In: 14th edition of the international conference on solid-state sensors, actuators and microsystems – Transducers, June 10-14, 2007, Lyon, France. (Submitted).

Vieira, Manuela and Vygranenko, Yu and Fernandes, M. and Sanguino, P. and Fantoni, A. and Louro, P. and Schwarz, R. (2007) Preliminary results on large area X-ray a-SiC:H multilayer detectors with optically adressed readout. [Paper]. In: 2007 MRS Spring Meeting, April 9-13, 2007, San Francisco, CA, USA.

Vygranenko, Yu and Louro, P. and Vieira, Manuela and Chang, J. H. and Nathan, A. (2007) Two-dimensional array of a-Si:H/a-SiC:H n-i-p photodiodes with Cr/a-SiNx front electrodes. [Other]. In: 2007 MRS Spring Meeting, April 9-13, 2007, San Francisco, CA, USA.

2006

Santos-Tavares, Rui and Paulino, Nuno and Goes, João and Oliveira, J.P. (2006) Optimum Sizing and Compensation of Two-Stage CMOS Amplifiers Based On a Time-Domain Approach. [Paper]. In: IEEE International Conference on Electronics, Circuits and Systems, 10-13 de Dezembro de 2006, France. (ISI Web of Science).

Evans, Guiomar (2006) Geradores de Ruído Branco Gaussiano e Uniforme para a Realização de Teste e Calibração Automática de ADC'S em Circuitos Integrados CMOS. Goes, João (supervisor). PhD thesis, FC-UL – FCT-UNL.

Louro, P. and Vieira, Manuela and Fantoni, A. and Fernandes, M. and Lavareda, G. and Carvalho, N. and Schwarz, R. (2006) Bias sensitive spectral sensitivity in double a-SiC:H pin structures. [Other]. In: E-MRS 2006 Symposium S: Material Science and Technology of Wide Bandgap Semiconductors, 2006 - Spring Meeting of the European Materials Research Society, 28 May - 01 Jun 2007, Strasbourg, France. (Submitted).

Pinto, Hugo (2006) Modulador Delta-Sigma de baixo consumo e área reduzida para aplicações biomédicas utilizando técnicas de partilha e comutação de amplificadores. Goes, João (supervisor). Masters thesis, Faculdade de Ciências e Tecnologia/UNL.

Filanovsky, IM and Allam, A and Oliveira, LB and Fernandes, J (2006) Synchronization of Van der Pol Oscillator By External Voltage of Double Frequency. [Paper]. In: ”, 49th IEEE International Midwest Symposium on Circuits and Systems (MWSCAS’06), August 2006. (ISI Web of Science, Citations: 1).

Allam, A. and Filanovsky, I. M. and Oliveira, Luís and Fernandes, J. (2006) Synchronization of Mutually Coupled LC-Oscillators. [Other]. In: IEEE International Symposium Circuits and Systems (ISCAS’06), May 2006.

Bos, C. and Oliveira, Luís B. and Fernandes, J. and Verhoeven, C. J. (2006) A 5 GHz combined Oscillator/Mixer. [Other]. In: IEEE International Symp. Circuits and Systems (ISCAS’06), May 2006.

Filanovsky, I. M. and Allam, A. and Oliveira, Luís B. and Fernandes, J. (2006) Quadrature Van der Pol Oscillators Using Second Harmonic Coupling. [Paper]. In: IEEE International Symposium Circuits and Systems (ISCAS’06), May 2006. (ISI Web of Science, Citations: 1).

Galhardo, A. and Goes, João and Paulino, Nuno (2006) Novel Linearization Technique for Low-Distortion High-Swing CMOS Switches with Improved Reliability. [Paper]. In: IEEE International Symposium on Circuits and Systems, Isle of Kos, Greece. (ISI Web of Science, Citations: 1).

Fino, Maria H. (2006) Modeling High Frequency VCOs for Sub-micron Technologies. [Paper]. In: IEEE ICCDCS’06, Playa Del Carmen, Mexico. (ISI Web of Science).

Vieira, Manuela and Louro, P. and Fantoni, A. and Fernandes, M. and Lavareda, G. and Carvalho, C. N. (2006) Band Gap Engineering and Electrical Field Tailoring for Voltage Controlled Spectral Sensitivity. [Paper]. In: Symposium A: Amorphous and Polycrystalline Thin-Film Silicon Science and Technology, 17-21 April, S. Francisco - U.S.A..

Goes, João and Vaz, Bruno and Monteiro, R. and Paulino, Nuno (2006) A 0.9V SD Modulator with 80dB SNDR and 83dB DR Using a Single-Phase Technique. [Paper]. In: IEEE ISSCC’2006.

Louro, P and Fernandes, M and Vieira, M (2006) Thin film sensors produced at low temperature: a trade-off between carbon composition and spectral response. Revista Mexicana de Fisica, 2 SUPP (52), pp. 32-35. ISSN 0035-001X. (ISI Web of Science).

Casteleiro, C. and Schwarz, R. and Maçarico, A. and Martins, J. and Vieira, Manuela and Wuensch, F. (2006) Spacially-Resolved Photocapacitance Measurements to Study Defects in a-Si:H Based p-i-n Particle Detectors. [Other]. In: European MRS Meeting, May/June 2006, Nice, France.

Evans, Guiomar and Goes, João and Paulino, Nuno (2006) Low-Voltage Low-Power Broadband CMOS Analogue Circuit for White Gaussian Noise Generation. JOLPE - Journal of Low Power Electronics.

FANTONI, A and FERNANDES, M and LOURO, P and VIEIRA, M (2006) a-SiC:H/a-Si:H tandem structure analysis for RGB color recognition in LSP devices. Journal of Non-Crystalline Solids, 352 (9-20), pp. 1805-1808. ISSN 0022-3093. URL: http://dx.doi.org/10.1016/j.jnoncrysol.2006.01.082.

Fantoni, A. and Fernandes, M. and Louro, P. and Carvalho, C. N. and Vieira, Manuela (2006) Photocurrent profile in a-SiC.H monolithic tandem photodiode. Revista Mexicana de Fisica, (2 SUP (52), pp. 89-92.

Fantoni, A. and Fernandes, M. and Louro, P. and Vieira, Manuela (2006) a-SiC:H/a-Si:H tandem structure analysis for RGB color recognition in LSP devices. [Paper]. In: ICANS 21, 21st International conference on amorphous and nanocrystalline semiconductors, Sept. 5-9, 2006, Lisboa, Portugal.

Fantoni, A. and Vieira, Manuela and Louro, A. P. and Fernandes, M. and Schwarz, R. and Lavareda, G. and Carvalho, C. N. (2006) Optimized generation profiles in multispectral a-SiC:Hdetectors. [Other]. In: Processing of 5th IBERSENSOR, 27-29 September, Montevideo, Uruguay.

Fernandes, M and Fantoni, A. and Louro, P. and Lavareda, G. and Carvalho, N. and Schwarz, R. and Vieira, M. (2006) Fine-tuning of the spectral collection efficiency in multilayer junctions. Thin Solid Films, 511-51, pp. 84-88. ISSN 0040-6090. URL: http://dx.doi.org/10.1016/j.tsf.2005.12.116. (ISI Web of Science).

Fernandes, M and Vieira, M. and Martins, R. (2006) The laser scanned photodiode: Theoretical and electrical models of the image sensor. Journal of Non-Crystalline Solids, 352 (9-20), pp. 1801-1804. ISSN 0022-3093. URL: http://dx.doi.org/10.1016/j.jnoncrysol.2006.01.077. (ISI Web of Science, Citations: 4).

Fino, Maria H. (2006) A Symbolic Approach to the Evaluation of Delay Time in Voltage controlled Ring Oscillators. [Paper]. In: IEEE SMACD’06, Florence, Italy.

EP. Goes, João (2006) A Novel Self-Calibration Technique for ADCs. EP 1 473 836.

Louro, P. and Fernandes, M. and Fantoni, A. and Lavareda, G. and Nunes de Carvalho, C. and Schwarz, R. and Vieira, M. (2006) An amorphous SIC/SI image photodetector with voltage-selectable spectral response. Thin Solid Films, 511-51, pp. 167-171. ISSN 0040-6090. URL: http://dx.doi.org/10.1016/j.tsf.2005.12.073.

Louro, P. and Fernandes, M. and Fantoni, A. and Lavareda, G. and Nunes de Carvalho, C. and Vieira, M. (2006) Bias sensitive spectral sensitivity in double aa-SiC:H pin structures. Superlattices and Microstructures, 40 (4-6), pp. 619-625. ISSN 0749-6036. URL: http://dx.doi.org/10.1016/j.spmi.2006.07.009.

Louro, P. and Vieira, Manuela and Fantoni, A. and Fernandes, M. and Schwarz, R. and Lavareda, G. and Carvalho, C. N. (2006) Voltage controlled color detector with optical read out. [Other]. In: Processing of 5th IBERSENSOR, 27- 29 September, Montevideo, Uruguay.

Louro, P. and Vygranenko, Yu and Martins, J. and Fernandes, M. and Vieira, Manuela (2006) Colour sensitive devices based on double p-i-n-i-p stacked photodiodes. [Paper]. In: European Materials Research Society, Symposium I, 29 May.- 2 June, 2006, Nice, France.

Martins, J. and Fernandes, M. and Fantoni, A. and Louro, P. and Vieira, Manuela (2006) Light Filtering Properties in a-SiC:H Multilayer Structures: A SPICE model. [Paper]. In: Symposium A: Amorphous and Polycrystalline Thin-Film Silicon Science and Technology, 17 – 21 April, S. Francisco - U.S.A..

Martins, J. and Fernandes, M. and Fantoni, A. and Vieira, M. (2006) Spice model for a laser scanned photodiode tricolor image sensor. Journal of Non-Crystalline Solids, 352 (9-20), pp. 1813-1817. ISSN 0022-3093. URL: http://dx.doi.org/10.1016/j.jnoncrysol.2006.01.052. (ISI Web of Science, Citations: 4).

Martins, J. and Fernandes, M. and Fantoni, A. and Vieira, Manuela (2006) Light filtering properties in a-SiC:H multilayer structures: theoretical and electric approaches. [Other]. In: Processing of 5th IBERSENSOR, 27-29 September, Montevideo, Uruguay.

Martins, J. and Vieira, Manuela and Fernandes, M. and Louro, P. (2006) Multispectral tandem heterojunctions for image sensing application: A SPICE simulation. [Paper]. In: European Materials Research Society, Symposium C, 29 May - 2 June, 2006, Nice, France.

Morgado, E. and Schwarz, R. and Braz, T. and Casteleiro, C. and Maçarico, A. and Vieira, Manuela and Alves, E. (2006) Radiation-induced defects in a-Si:H by 1.5 MeV He4 particles studied by photoconductivity and photothermal deflection spectroscopy. Journal of Non-Crystalline Solids (352), pp. 1071-1074.

Vieira, M. and Fantoni, A. and Louro, P. and Fernandes, M. and Martins, João F. and Schwarz, R. and Lavareda, G. and Carvalho, C. N. (2006) Colour filtering in a-SiC:H based p-i-n-p-i-n cells: A trade-off between bias polarity and absorption regions. Sensors and Actuators A: Physical, 132 (1), pp. 218-223. ISSN 0924-4247. URL: http://dx.doi.org/10.1016/j.sna.2006.02.005.

Vieira, M. and Fernandes, M. and Louro, P. and Fantoni, A. and Lavareda, G. and Carvalho, C. N and Vygranenko, Yu (2006) A real-time colour and image processing p-i-n/p-i-n device with optical readout. Revista Mexicana de Fisica, (2 SUP (52), pp. 79-82.

Vieira, M. and Louro, P. and Fernandes, M. and Schwarz, R. (2006) : Large area P-I-N image sensitive devices deposited on plastic substrates. Revista Mexicana de Fisica, (2 SUP (52), pp. 57-60. (ISI Web of Science).

Vieira, Manuela and Fantoni, A. and Fernandes, M. and Louro, P. and Lavareda, G. and Carvalho, C. N. (2006) Bias Sensitive Multispectral structures for imaging applications. [Paper]. In: European Materials Research Society, Symposium I, 29 May.- 2 June, 2006, Nice, France.

Vieira, Manuela and Fantoni, A. and Louro, P. and Fernandes, M. and Lavareda, G. and Carvalho, C. N. (2006) Light filtering in a-SIC:H multilayers stacked devices using the LSP technique. Journal of Non-Crystalline Solids (352), pp. 1809-1812.

Vieira, Manuela and Fantoni, A. and Louro, P. and Fernandes, M. and Lavareda, G. and Carvalho, C. N. (2006) Light filtering in a-SIC:H multilayers stacked devices using the LSP technique. [Paper]. In: ICANS 21, 21st International conference on amorphous and nanocrystalline semiconductors, Sept. 5-9, 2006, Lisboa, Portugal.

Vygranenko, Yu and Louro, P. and Vieira, M and Chang, J. H. and Nathan, A. (2006) Low leakage current a-Si:H/a-SiC:H n–i–p photodiode with Cr/a-SiNx front contact. Journal of Non-Crystalline Solids, 352 (9-20), pp. 1837-1840. ISSN 0022-3093. URL: http://dx.doi.org/10.1016/j.jnoncrysol.2005.08.042.

Vygranenko, Yu and Louro, P. and Vieira, Manuela and Chang, J. H. and Nathan, A. (2006) Low leakage current a-Si:H/a-SiC:H n–i–p photodiode with Cr/a-SiNx front contact. [Paper]. In: ICANS 21, 21st International conference on amorphous and nanocrystalline semiconductors, Sept. 5-9, 2006, Lisboa, Portugal.

2005

Evans, Guiomar and Unterweissacher, Martin and Paulino, Nuno (2005) On-Chip Built-In Self-Test of Video-Rate ADCs Using a 1.5V CMOS Gaussian Noise Generator. [Paper]. In: IEEE Conference on Electron Devices and Solid-State Circuits, Hong Kong, China.

Goes, João and Vaz, Bruno and Paulino, Nuno and Pinto, H. and Monteiro, R. and Steiger-Garção, Adolfo (2005) Low Power Low-Voltage CMOS A/D Sigma-Delta Modulator for Bio-Potential Signals Driven by a Single-Phase Scheme. IEEE Transactions on Circuits and Systems I: Regular Papers, 52 (12), pp. 2595-2604. ISSN 1057-7122.

Pereira, Pedro and Fino, Maria H. (2005) VCOSYM-An Application for the Automatic Design of Ring VCOS. [Paper]. In: IEEE ICECS'05, 11-14 Dec. 2005, Gammarth, Tunisia. URL: http://dx.doi.org/10.1109/ICECS.2005.4633504.

Evans, Guiomar and Unterweissacher, Martin and Paulino, Nuno (2005) Low-Voltage Low-Power CMOS Analogue Circuit for Gaussian Noise Generation. [Paper]. In: XX Conference on Design and Integrated Systems (DCIS’05), Lisbon (PT).

Evans, Guiomar and Unterweissacher, Martin and Paulino, Nuno (2005) 1.5V CMOS Gaussian and Uniform Noise Genrators for BISC/BIST of ADCs. [Paper]. In: IEEE International Analog VLSI Workshop, Bordeaux, France.

Oliveira, Luís and Fernandes, J. and Filanovsky, I. M. and Verhoeven, C. J. (2005) Wideband Two integrator oscillator-mixer. [Paper]. In: IEEE International Conf. on ASIC (ASICON’05), October 2005. (ISI Web of Science).

Fino, Maria H. (2005) A Simple Submicron MOSFET Model and its Application to the Analytical Characterization of Analog Circuits. [Paper]. In: IEEE ECCTd’05, Cork, Ireland. (ISI Web of Science).

Vaz, Bruno M. (2005) Conversores Analógico/Digital de Elevada Velocidade e Tensão de Alimentação Reduzida. Goes, João (supervisor). PhD thesis, FCT-UNL.

Galhardo, A. and Goes, João and Vaz, Bruno and Paulino, Nuno (2005) Design of Low-Voltage Low-Power Pipeline ADCs using a Single-Phas Scheme. [Paper]. In: Fifth IEE International Conference na A/D and D/A Conversion Techniques and Their Applications, Ireland.

Vaz, Bruno and Goes, João and Paulino, Nuno and Steiger-Garção, Adolfo (2005) Design of a 1.8V, 10-bit 130+MS/s Time-Interleaved Non-Scaled Pipeline ADC in 0.18mm CMOS. [Paper]. In: Fifth IEE International Conference on A/D and D/A Conversion Techniques and Their Applications, Irlanda.

Evans, Guiomar and Goes, João and Paulino, Nuno (2005) On-Chip Built-in Self-Test of Video-Rate ADCs Using Gaussian Noise. [Paper]. In: IEEE International Symposium on Circuits and Systems, Kobe, Japan. (ISI Web of Science).

Fino, Maria H. (2005) NMOS Symmetric Load Ring VCOs Modelling for Submicron Technologies. [Paper]. In: Micro technologies for the new Millennium 2005, Seville, Spain.

Goes, João and Vaz, Bruno and Paulino, Nuno and Pinto, H. and Monteiro, R. and Steiger-Garção, Adolfo (2005) Switched-Capacitor Circuits using a Single-Phase Scheme. [Paper]. In: IEEE International Symposium on Circuits and Systems, Kobe, Japan. (ISI Web of Science).

Vaz, Bruno and Goes, João and Piloto, R. and Neto, J. and Monteiro, R. and Paulino, Nuno (2005) A Low –Voltage 3 mW 10-bit 4MS/s Pipeline ADC in Digital CMOS for Sensor Interfacing. [Paper]. In: IEEE International Symposium on Circuits and Systems, Kobe, Japan.

Pereira, Pedro (2005) Desenvolvimento de Ambiente para Caracterização Automática de PLLS. Fino, Maria H. (supervisor). Masters thesis, Faculdade Ciências e Tecnologia/UNL.

Dugaev, V. K. and Berakdar, J. and Barnás, J. and Dobrowolski, W. and Mitin, V. F. and Vieira, M. (2005) Magnetoresistance due to domain walls in semiconducting magnetic nanostructures. Materials Science and Engineering: C, 25 (5-8), pp. 705-709. ISSN 0928-4931. URL: http://dx.doi.org/10.1016/j.msec.2005.06.021. (ISI Web of Science).

Fantoni, A. and Fernandes, M. and Louro, P. and Carvalho, C. N. and Vieira, Manuela (2005) Spectral collection efficciency in multilayer junctions through the LSP technique. [Paper]. In: 5th Iberian Vacuum meeting, Setembro 18-21 de 2005, Univ. Minho, Guimarães, Portugal.

Fantoni, A. and Louro, P. and Fernandes, M. and Vieira, M. and Lavareda, G. and Nunes de Carvalho, C. (2005) Enhanced short wavelength response in laser-scanned-photodiode image sensor using an a-SiC:H/a-Si:H tandem structure. Sensors and Actuators A: Physical, 123-12, pp. 343-348. ISSN 0924-4247. URL: http://dx.doi.org/10.1016/j.sna.2005.04.036.

Fernandes, M. and Fantoni, A. and Louro, P. and Lavareda, G. and Carvalho, C. N. and Schwarz, R. and Vieira, Manuela (2005) Fine tuning of the spectral collection efficiency in multilayer junctions. [Paper]. In: European Materials Research Society Symposium, 24-28, May, 2005, Strasburg, France.

Fernandes, M. and Fantoni, A. and Niehus, M. and Louro, P. and Nunes de Carvalho, C. and Vieira, Manuela (2005) Fine tuning of the spectral collection efficiency in a multilayer junction through the LSP technique. [Other]. In: Amorphous and Nanocrystalline Silicon Science and Technology, March 28-1, S. Francisco - U.S.A..

Goes, João (2005) A 0.9 V 200 uW 0.06mm2 Sigma-Delta Modulator for biomedical applications. [Prototype].

Louro, P and Vieira, M and Fernandes, M and Schubert, M. (2005) P-i-n flexible imaging devices with optical readout. Optical Materials, 27 (5), pp. 1069-1073. ISSN 0925-3467. URL: http://dx.doi.org/10.1016/j.optmat.2004.08.071. (ISI Web of Science, Citations: 3).

Louro, P. and Fernandes, M. and Fantoni, A. and Martins, J. and Lavareda, G. and Carvalho, C. N. and Vieira, Manuela (2005) Voltage selectable spectral response in a-SiC:H multilayer structures: the influence of the absorber thickness. [Other]. In: 19th European Conference on Solid-State Transducers Eurosensors XVIII, September, 11 – 14, 2005, Barcelona, Spain.

Louro, P. and Fernandes, M. and Fantoni, A. and Martins, J. and Lavareda, G. and Carvalho, C. N. and Vieira, Manuela (2005) Voltage selectable spectral response in a-SiC:H multilayer structures: the influence of the absorber thickness. [Other]. In: 19th European Conference on Solid-State Transducers Eurosensors XVIII, September, 11 – 14, Barcelona, Spain.

Louro, P. and Fernandes, M. and Fantoni, A. and Vygranenko, Yu and Lavareda, G. and Carvalho, C. N. and Vieira, Manuela (2005) An amorphous SiC/Si photodetector with voltage-selectable spectral response. [Paper]. In: European Materials Research Society Symposium, 24-28, May, 2005, Strasburg, France.

Louro, P. and Fernandes, M. and Lavareda, G. and Carvalho, C. N. and Fantoni, A. and Vieira, Manuela (2005) Spectral sensitivity in multilayer a-SiC:H stacked devices. [Paper]. In: 11th Euroregional Workshop on Thin Silicon Devices, 2 a 4 de Fevereiro de 2005, Delft, Holanda.

Louro, P. and Vieira, Manuela and Fantoni, A. and Carvalho, C. N. and Lavareda, G. (2005) Image and color recognition using amorphous silicon p-i-n photodiodes. Sensor and Actuators A: Physical, 123 (24), pp. 326-330. (ISI Web of Science, Citations: 13).

Louro, P. and Vieira, Manuela and Fantoni, A. and Fernandes, M. and Lavareda, G. and Carvalho, N. (2005) Sensitivity and Color Selectivity in Multilayer Stacked Devices. [Paper]. In: Materiais 2005, Março 20-23, 2005, Aveiro. (ISI Web of Science).

Louro, P. and Vieira, Manuela and Fantoni, A. and Fernandes, M. and Lavareda, G. and Nunes de Carvalho, C. (2005) Spectral Sensitivity and Color Selectivity in Multilayer Stacked Devices. [Paper]. In: Amorphous and Nanocrystalline Silicon Science and Technology, March 28-1, S. Francisco - U.S.A.. (ISI Web of Science).

Oliveira, Luís B. and Allam, A. and Filanovsky, I. M. and Fernandes, J. (2005) On Phase Noise Quadrature Cross-Coupled Oscillators. [Other]. In: IEEE International Symposium Circuits and Systems (ISCAS’05), May 2005.

Vieira, M and Fernandes, M and Louro, P and Mendes, C. and Schwarz, R. and Vigranenko, Yu (2005) Optical signal and image processing device optimized for optical readout. Optical Materials, 27 (5), pp. 1064-1068. ISSN 0925-3467. URL: http://dx.doi.org/10.1016/j.optmat.2004.08.064. (ISI Web of Science).

Vieira, M and Louro, P and Fantoni, A. and Fernandes, M (2005) Tuning the spectral distribution of p–i–n a-SiC:H devices for colour detection. Sensors and Actuators A: Physical, 120 (1), pp. 88-93. ISSN 0924-4247. URL: http://dx.doi.org/10.1016/j.sna.2004.11.019.

Vieira, Manuela and Fantoni, A. and Louro, P. and Fernandes, M. and Martins, J. and Schwarz, R. and Lavareda, G. and Carvalho, C. N. (2005) Color filtering in a-SiC:H based p-i-n-p-i-n cells: a trade-off between bias polarity and absorption regions. [Paper]. In: European Materials Research Society Symposium, 24-28, May, 2005, Strasburg, France.

Vieira, Manuela and Fantoni, A. and Louro, P. and Fernandes, M. and Martins, J. and Schwarz, R. and Lavareda, G. and Carvalho, C. N. (2005) Colour filtering in a-SiC:H based p-i-m-p-i-n cells: a trade-off between bias polarity and absorption regions. [Other]. In: 19th European Conference on Solid-State Transducers Eurosensors XVIII, September, 11 – 14, Barcelona, Spain.

Vieira, Manuela and Fantoni, A. and Louro, P. and Fernandes, M. and Martins, J. and Schwarz, R. and Lavareda, G. and Carvalho, C. N. (2005) Colour filtering in a-SiC:H based p-i-n-p-i-n cells. [Paper]. In: 19th European Conference on Solid-State Transducers, September 11–14, Barcelona, Spain.

Vieira, Manuela and Fantoni, A. and Louro, P. and Fernandes, M. and Schwarz, R. and Lavareda, G. and Carvalho, C. N. (2005) colour sensitive photodiodes based on double p-i-n a-SiC:H heterojunctions. [Paper]. In: 5th Iberian Vacuum meeting, Setembro 18-21 de 2005, Univ. Minho, Guimarães, Portugal.

Vieira, Manuela and Fernandes, M. and Louro, P. and Fantoni, A. and Schwarz, R. and Lavareda, G. and Carvalho, C. N. (2005) Optically addressed image and color sensitive detector based on a double a-SiC:H/a-Si:H p-i-n photodiode. [Paper]. In: 11th Euroregional Workshop on Thin Silicon Devices, 2 a 4 de Fevereiro de 2005, Delft, Holanda.

Vieira, Manuela and Fernandes, M. and Louro, P. and Fantoni, A. and Vygranenko, Yu and Lavareda, G. and Nunes de Carvalho, C. (2005) Image and Color Sensitive Detector Based on Double p-i-n a-SiC:H Photodiodes. [Other]. In: Amorphous and Nanocrystalline Silicon Science and Technology, 28 Mar - 1 Apr 2005, San Francisco, USA.

Vieira, Manuela and Fernandes, M. and Louro, P. and Lavareda, G. and Nunes de Carvalho, C. and Vygranenko, Yu (2005) A two terminal optical signal and image processing p–i–n/p–i–n image and colour sensor. Sensors and Actuators A: Physical, 123-12, pp. 331-336. ISSN 0924-4247. URL: http://dx.doi.org/10.1016/j.sna.2005.03.051.

Vieira, Manuela and Fernandes, M. and Louro, P. and Mendes, C. and Schwarz, R. and Vigranenko, Yu (2005) OSIP Optical signal and image processing device optimized for optical read-out. Sensor and Actuators A: Physical (120), pp. 88-93.

2004

Goes, João and Vaz, Bruno and Paulino, Nuno and Pinto, H. and Monteiro, R. and Steiger-Garção, Adolfo (2004) Low Power Low-Voltage CMOS A/D Switched-Opamp SD Modulator for Bio-Potential Signals using a Single-Phase Scheme. [Paper]. In: IEEE International Workshop on Biomedical Circuits and Systems, Singapore.

Fino, Maria H. and Leal, A.B. (2004) Accurate Modelling of Submicrometer Symmetric Load Ring VCOs. [Paper]. In: IEEE ICED’04.

Fernandes, M. and Vieira, Manuela and Martins, R. (2004) Novel structure for large area image sensing. Sensors and Actuators A: Physical, 115 (2-3), pp. 357-361. ISSN 0924-4247. (ISI Web of Science, Citations: 1).

Schwarz, R. and Fernandes, M. and Martins, J. and Fantoni, A. and Vieira, Manuela and Sanguino, P. and Carvalho, N. and Muschik, T. (2004) Sensor element for a metal-insulator-semiconductor camera system (MISCam). Sensors and Acuators A-physical, 115 (2-3), pp. 331-335. (ISI Web of Science, Citations: 4).

Vaz, Bruno and Goes, João and Paulino, Nuno (2004) A 1.5-V 10-b 50 MS/s Time-Interleaved Switched-Opamp Pipeline CMOS ADC with High Energy Efficiency. [Paper]. In: 2004 Symposium on VLSI Circuits, Honolulu.

Braz, T. and Sanguino, P. and Niehus, M. and Schwarz, R. and Maçarico, F. and Vieira, Manuela and Marques, C. P. and Alves, E. (2004) Rose’s law in irradiated amorphous silicon film detector. [Paper]. In: European Materials Research Society Symposium, 24-28, May, 2005, Strasburg, France.

Dugaev, V. K. and Berakdar, J. and Mitin, V. F. and Vieira, Manuela (2004) Magnetoresistance of domain walls in semiconducting magneto nanostructures. [Paper]. In: European Materials Research Society Symposium, 24-28, May, 2004, Strasburg, France.

Fantoni, A. and Fernandes, M. and Louro, P. and Carvalho, C. N. and Vieira, Manuela (2004) Photocurrent profile in a-SiC.H monolithic tandem photodiodest. [Paper]. In: Ibersensor-2004, IV congresso iberoamericano de sensores, 27-29 de Outubro, 2004, Puebla, México.

Fantoni, A. and Fernandes, M. and Louro, P. and Rodrigues, I. and Vieira, Manuela (2004) a-SiC:H Tandem photodiodes: a numerical simulation. Sensor and Actuators A, 113 (3), pp. 324-328.

Fantoni, A. and Louro, P. and Fernandes, M. and Vieira, Manuela (2004) Image color sensor based on a-SiC:H tandem structure:numerical simulation. [Other]. In: 18th European Conference on Solid-State Transducers “Eurosensors XVIII, September 12–15, Rome, Italy.

Fernandes, M. and Fantoni, A. and Louro, P. and Lavareda, G. and Carvalho, N. and Schwarz, R. and Vieira, Manuela (2004) Fine Tuning of the spectral collection efficiency in multilayer. [Paper]. In: European Materials Research Society Symposium, 31 May -3, June , 2004, Strasburg, France.

Fernandes, M. and Vieira, M. and Rodrigues, I. and Martins, R. (2004) Large area image sensing structures based on a-SiC:H: a dynamic characterization. Sensors and Actuators A: Physical, 113 (3), pp. 360-364. ISSN 0924-4247. URL: http://dx.doi.org/10.1016/j.sna.2004.03.007.

Fernandes, M. and Vieira, Manuela and Rodrigues, I. and Martins, R. (2004) Large area image sensing structures based on aSiiC:H: A dynamic characterization. Sensor and Actuators A-Physical, 113 (3), pp. 360-364.

Goes, João (2004) 10-b 4MS/s Parallel Pipeline ADC for fingerprint sensors. [Prototype].

Goes, João (2004) First fully integrated CMOS UWB radar transceiver for medical imaging applications. [Prototype].

Louro, P. and Fantoni, A. and Fernandes, M. and Maçarico, A. and Schwarz, R. and Vieira, Manuela (2004) Optoelectronic characterization of a-Si:C-H stacked devices. J. Non Cryst. Solids, 338-34, pp. 345-348. (ISI Web of Science, Citations: 5).

Louro, P. and Fernandes, M. and Fantoni, A. and Maçarico, A. and Nunes de Carvalho, C. and Lavareda, G. and Vieira, Manuela (2004) Large area single and stacked p-i-n photodiodes as color image sensors. [Other]. In: Silicon Carbide-Materials, Processing, and Devices, April 14-15, S. Francisco - U.S.A..

Louro, P. and Fernandes, M. and Fantoni, A. and Maçarico, A. and Nunes de Carvalho, C. and Lavareda, G. and Vieira, Manuela (2004) Two terminal large area single and double p-i-n devices for image and color recognition. [Other]. In: Amorphous and Nanocrystalline Silicon Science and Technology, April 12-16, S. Francisco - U.S.A..

Louro, P. and Fernandes, M. and Rodrigues, I. and Fantoni, A. and Vieira, Manuela (2004) Stacked a-SiC:H Optical Transducers: the Influence of the Sensing Material. Materials Science Forum, 455-45, pp. 81-85. ISSN 0255-5476. URL: http://www.scientific.net/MSF/.

Louro, P. and Fernandes, M. and Vieira, Manuela (2004) Thin film sensors produced at low temperatures: a trade-off between carbon composition and spectral response. [Paper]. In: IV congresso iberoamericano de sensores, 27-29 de Outubro, 2004, Puebla, México.

Louro, P. and Fernandes, M. and Vieira, Manuela and Schubert, M. (2004) p-i-n flexible image sensors. [Paper]. In: 3rd aSinet workshop, February 25-27, 2004, Bratislava, Sloven. (ISI Web of Science).

Louro, P. and Vieira, Manuela and Fantoni, A. and Fernandes, M. and Nunes de Carvalho, C. and Lavareda, G. (2004) Image and color recognition using p-i-n photodiodes. [Other]. In: 18th European Conference on Solid-State Transducers “Eurosensors XVII”, September 12– 15, Rome, Italy.

Louro, P. and Vieira, Manuela and Fernandes, M. and Schubert, M. (2004) P-i-n flexible imaging devices with optical readout. [Paper]. In: European Materials Research Society Symposium, 24-28, May, 2004, Strasburg, France.

Schwarz, R. and Braz, T. and Sanguino, P. and Maçarico, F. and Vieira, Manuela and Fernandes, M. and Wunsch, F. and Kunst, M. and Marques, C. P. and Alves, E. and Louro, P. and Mendes, C. and Vygranenko, Yu (2004) Changes in spectral response of thick amorphous silicon detectors after irradiation. [Paper]. In: 3rd aSinet workshop, February 25-27, 2004, Bratislava, Sloven.

Schwarz, R. and Braz, T. and Sanguino, P. and Vieira, Manuela (2004) Degradation of particle detectors based on a-Si : H by 1.5 Mev He-4 and 1 MeV protons. J. Non Cryst. Solids, 338-34, pp. 814-817.

Vieira, Manuela and Fernandes, M. and Fantoni, A. and Louro, P. (2004) A non-pixel image reader for continous image detection based on tandem heterostructures. Sensor and Actuators A, 115 (2-3), pp. 191-195.

Vieira, Manuela and Fernandes, M. and Fantoni, A. and Louro, P. and Carvalho, N. and Lavareda, G. (2004) Tandem photocels for image sensing applications. [Other]. In: 19th European Photovoltaic Solar Energy Conference and Exhibition, June, 7-11, Paris, France.

Vieira, Manuela and Fernandes, M. and Fantoni, A. and Louro, P. and Mendes, C. (2004) A real-time optical and image processing p-i-n-p-i-n device. [Paper]. In: 18th European Conference on Solid-State Transducers “Eurosensors XVII”, September 12– 15, 2004, Rome, Italy. (ISI Web of Science).

Vieira, Manuela and Fernandes, M. and Fantoni, A. and Louro, P. and Schwarz, R. (2004) Optically addressed read-write device based on tandem heterostructiure. Sensor and Actuators A, 114 (2-3), pp. 219-223.

Vieira, Manuela and Fernandes, M. and Louro, P. and Fantoni, A. (2004) Optical and RX sensors for medical applications. [Paper]. In: Workshop on Compability Electomagnetic, September 4-11, 2004, Porto Galinhas, Pernambuco, Brazil.

Vieira, Manuela and Fernandes, M. and Louro, P. and Fantoni, A. and Lavareda, G. and Carvalho, C. N. and Vygranenko, Yu (2004) A real time colour and image processing pin-pin device with optical readout. [Paper]. In: Ibersensor-2004, IV congresso iberoamericano de sensores, 27-29 de Outubro, 2004, Puebla, México.

Vieira, Manuela and Fernandes, M. and Louro, P. and Fantoni, A. and Rodrigues, I. (2004) High sensitive image sensors based on a tandem laser scanned photodiode. Materials Science Forum, 455-45, pp. 91-95. ISSN 0255-5476. URL: http://www.scientific.net/MSF/. (ISI Web of Science).

Vieira, Manuela and Fernandes, M. and Louro, P. and Mendes, C. and Schwarz, R. and Vygranenko, Yu (2004) OSIP: Optical image processing deviceoptimized for optical readout. [Paper]. In: 3rd aSinet workshop, February 25-27, 2004, Bratislava, Sloven.

Vieira, Manuela and Fernandes, M. and Louro, P. and Mendes, C. and Schwarz, R. and Vygranenko, Yu (2004) OSIP: optical signal and image processing device optimized for optical readout. [Paper]. In: European Materials Research Society Symposium, 24-28, May, 2004, Strasburg, France.

Vieira, Manuela and Louro, P. and Fernandes, M. and Fantoni, A. (2004) Optical confinement in a Double Colour Laser Scanned Photodiode (D/CLSP). Sensor and Actuators A, 114 (2-3), pp. 219-223.

Vieira, Manuela and Louro, P. and Fernandes, M. and Fantoni, A. and Mendes, C. and Schwarz, R. (2004) A real time optical signal and image processing device. [Other]. In: Amorphous and heterogeneous silicon based films- 2004, April 12-16, S. Francisco - U.S.A..

Vieira, Manuela and Louro, P. and Fernandes, M. and Schwarz, R. (2004) Large area P-I-N flexible image sensitive devices deposited on plastic substrates. [Paper]. In: Ibersensor-2004, IV congresso iberoamericano de sensores, 27-29 de Outubro, 2004, Puebla, México.

Vieira, Manuela and Louro, P. and Fernández, M. and Schwarz, R. and Schubert, M. (2004) Large area p-i-n flexible image sensors. [Other]. In: Flexible Electronics 2004-Materials and Device Technology, April 12-16, S. Francisco - U.S.A..

2003

Mourão, L. and Fino, Maria H. (2003) Symbolic SFG Resolution of SI/SC Filtering Networks through Vago’s Matricial Method. [Paper]. In: ECCTd’03, Krakow, Poland.

Unterweissacher, Martin (2003) A Digital-Domain Self-Calibration and On-Chip Self-Testing Technique for Pipeline A/D Converters using Gaussian-White-Noise. Goes, João and Soser, Peter (supervisors). Masters thesis, Universidade Técnica de Graz.

Evans, Guiomar and Goes, João and Steiger-Garção, Adolfo and Ortigueira, MD and Paulino, Nuno and Sousa-Lopes, J. (2003) Low-voltage low-power CMOS analogue circuits for Gaussian and uniform noise generation. [Paper]. In: IEEE International Symposium on Circuits and Systems, MAY 25-28, 2003, Bangkok, Thailand. (ISI Web of Science).

Paulino, Nuno and Serrazina, Marco and Goes, João and Steiger-Garção, Adolfo (2003) Design of a Digitally Programmable Delay-Locked Loop for a Low-Cost Ultra-Wide-Band Radar Receiver. [Paper]. In: IEEE International Symposium on Circuits and Systems, Bangkok, Bangkok, Thailand. (ISI Web of Science).

Tavares, Rui and Goes, João and Paulino, Nuno and Vaz, Bruno and Steiger-Garção, Adolfo (2003) Design and Optimization of Low-Voltage Two-Stage CMOS Amplifiers with Enhanced Performance. [Paper]. In: IEEE International Symposium on Circuits and Systems, Bangkok, Thailand. (ISI Web of Science).

Unterweissacher, Martin and Goes, João and Paulino, Nuno and Evans, Guiomar and Ortigueira, Manuel (2003) Efficient Digital Self-Calibration of Video-Rate Pipeline ADCs using White Gaussian Noise. [Paper]. In: IEEE International Symposium on Circuits and Systems, Bangkok, Thailand. (ISI Web of Science).

Dugaev, V. K. and Litvinov, V. I. and Barnás, J. and Vieira, M (2003) Exchange interaction and ferromagnetism in III-V semiconductors. Physical Review B, 67 (033201), pp. 1-4. ISSN 1098-0121. (ISI Web of Science, Citations: 11).

Dugaev, V. K. and Barnás, J. and Vieira, Manuela (2003) Electric current control of magnetization in magnetic nanostructures. [Other]. In: Mat. Res. Soc. Symp, April 21-25, S. Francisco - U.S.A..

Dugaev, V. K. and Barnás, J. and Vieira, Manuela (2003) Electric current control of magnetization in magnetic nanostructures. [Paper]. In: 2003 MRS Spring Meeting, April 21 – 25, San Francisco - U.S.A..

Dugaev, V. K. and Litvinov, V. I. and Barnaś, J. and Slobodskyy, A. H. and Dobrowolski, W. and Vieira, M. (2003) Ferromagnetism in diluted magnetic semiconductors at low carrier density. physica status solidi (b), 236 (2), pp. 507-510. ISSN 0370-1972. eISSN 1521-3951. URL: http://dx.doi.org/10.1002/pssb.200301715. (ISI Web of Science).

Dugaev, V. K. and Litvinov, V. I. and Barnás, J. and Slobodsky, A. H. and Dobrowolski, W. and Vieira, Manuela (2003) Mechanism of ferromagnetism in diluted magnetic semiconductors at low carrier density. Journal of Superconductivity: Incorporating novel magnetism, 16 (1), pp. 67-70. ISSN 0896-1107. (ISI Web of Science, Citations: 4).

Dugaev, V. K. and Vygranenko, Yu and Vieira, Manuela and Litvinov, V. I. and Barnás, J. (2003) Modelling of magnetically controlled Si-based optoelectronic devices. Physics E, 16 (3-4), pp. 558-562.

Fantoni, A. and Fernandes, M. and Louro, P. and Rodrigues, I. and Vieira, Manuela (2003) Dependence of the photocurrent profile in a-Si:H tandem structures on the illumination conditions. [Paper]. In: International conference on amorphous and microcrystalline semiconductors:Science and Technology, August 25-29, 2003, Campos do Jordão SP, Brazil.

Fantoni, A. and Louro, P. and Brida, D. and Rodrigues, I. and Maçarico, A. and Vieira, Manuela (2003) a-SiC:H Tandem solar cells: Characterization and Numerical Simulation. [Paper]. In: European Materials Research Society Symposium, 10-13, June, 2003, Strasburg, France.

Fantoni, A. and Louro, P. and Rodrigues, I. and Fernandes, M. and Schwarz, R. and Carvalho, N. and Vieira, Manuela (2003) a-SiC Tandem Solar Cells: A numerical simulation. [Paper]. In: II International Materials Symposium, April 14-16, 2003, Lisbon, Portugal.

Fernandes, M. and Vieira, Manuela and Martins, R. (2003) Novel structure for large area image sensing. [Other]. In: Eurosensors XVII-The 17th European Conference on Solid-State, September 21 – 24, Guimarães, Portugal.

Fernandes, M. and Vieira, Manuela and Martins, R. (2003) Novel structure for large area image sensing. [Poster]. In: 17th European Conference on Solid-State Transducers "Eurosensors XVII", September 21 – 24, 2003, Guimarães, Portugal.

Fernandes, M. and Vieira, Manuela and Rodrigues, I. and Martins, R. (2003) Large area image sensing structures based on a-SiC:H : A dynamic characterisation. [Paper]. In: European Materials Research Society Symposium, 10-13, Jun, 2003, Strasburg, France.

Fernandes, M. and Vygranenko, Y. and Louro, P. and Vieira, M. (2003) Non-pixeled amorphous silicon-based image sensors. Physica E: Low-dimensional Systems and Nanostructures, 16 (3-4), pp. 563-567. ISSN 1386-9477. URL: http://dx.doi.org/10.1016/S1386-9477(02)00647-1.

Fernandes, M. and Vygranenko, Yu and Louro, P. and Vieira, Manuela (2003) Non pixelled amorphous silicon based color sensors. Physics E, 16 (3-4), pp. 558-562.

Goes, J. and Vital, J.C. and Franca, J.E. (2003) Systematic Design for Optimisation of Popelined ADCs. The International Series in Engineering and Computer Science, 607 . springer. ISBN 978-0-7923-7291-2. eISBN 978-0-306-48193-2. URL: http://dx.doi.org/10.1007/b100749.

Goes, João (2003) 10-b 50MS/s Parallel Pipeline ADC. [Prototype].

Goes, João (2003) Gaussian and Uniform High-amplitude Broadband Noise Generators. [Prototype].

Louro, P. and Fantoni, A. and Brida, D. and Maçarico, A. and Vieira, Manuela and RodriguesI., I. (2003) Stacked a-SiC:H optical transducers: The influence of the sensing material. [Paper]. In: European Materials Research Society Symposium, 10-13, June, 2003, Strasburg, France.

Louro, P. and Fantoni, A. and Rodrigues, I. and Fernandes, M. and Maçarico, A. and Vieira, Manuela (2003) Optoelectronic Characterization of a-SiC:H Stacked Devices. [Paper]. In: International conference on amorphous and microcrystalline semiconductors:Science and Technology, August 25-29, 2003, Campos do Jordão SP, Brazil.

Louro, P. and Niehus, M. and Fantoni, A. and Maçarico, A. and Schwarz, R. and Vieira, Manuela and Fernandes, M. and Brida, D. and Vygranenko, Yu (2003) The influence of carbon content, doping level, and hydrogen incorporation on the performance of a-SiC:H stacked photodiodes. [Paper]. In: 2nd a-SiNet workshop on thin silicon, February 19-21, 2003, Lisboa, Portugal.

Louro, P. and Vieira, Manuela and Fantoni, A. and Fernandes, M. and Vygranenko, Yu and Schwarz, R. (2003) Bias controlled spectral sensitivity in a-SiC:H p-i-n devices. Thin Solid Films, 427, pp. 196-200.

Maçarico, A. and Brida, D. and Rodrigues, I. and Louro, P. and Vieira, Manuela (2003) Role of the temperature and rf power on the structure of intrinsic a-Si:H films deposited by PE-CVD. [Paper]. In: II International Materials Symposium, April 14-16, 2003, Lisbon, Portugal.

Mitin, V. F. and Dugaev, V. K. and Ihas, G. G. and McKenney, C. and Vieira, Manuela (2003) Giant magnetic field effect on Germanium film electrical conductance and its use for weak magnetic field detection at ultra low temperatures. [Paper]. In: European Materials Research Society Symposium, 10-13, June, 2003, Strasburg, France.

Mitin, V. F. and Ihas, G. G. and McKenney, C. and Dugaev, V. K. and Vieira, Manuela (2003) Resistance thermometers based on Ge films on GaAs substrates: low-temperature conduction and magnetoresistance mechanisms. [Paper]. In: 17th European Conference on Solid-State Transducers “Eurosensors XVII", September 21 – 24, 2003, Guimarães, Portugal.

Niehus, M. and Sanguino, P. and Monteiro, T. and Soares, M. J. and Pereira, E. and Vieira, Manuela and Koynov, S. and Schwarz, R. (2003) Optical properties and transport in PLD-GaN. Solid State Electronics (47), pp. 569-573. (ISI Web of Science, Citations: 4).

Schwarz, R. and Fernandes, M. and Martins, J. and Fantoni, A. and Vieira, Manuela and Sanguino, P. and Carvalho, N. and Muschik, T. (2003) MISCam-Metal-Insulator-Semiconductor camera. [Paper]. In: 17th European Conference on Solid-State Transducers "Eurosensors XVII", September 21 – 24, 2003, Guimarães, Portugal.

Schwarz, R. and Fernandes, M. and Martins, J. and Fantoni, A. and Vieira, Manuela and Sanguino, P. and Carvalho, N. and Muschik, T. (2003) Sensor element for a metal-insulator-semiconductor MISCam. [Other]. In: 17th European Conference on Solid-State Transducers “Eurosensors XVII”, September 21 – 24, Guimarães, Portugal.

Schwarz, R. and Maçarico, A. and Braz, T. and Melo, L. and Sanguino, P. and Fernandes, M. and Martins, J. and Fantoni, A. and Vieira, Manuela and Jarron, P. (2003) Charge collection in thick a-SiC:H based Schottky barrier and pin particle detectors. [Paper]. In: 2nd a-SiNet workshop on thin silicon, February 19-21, 2003, Lisboa, Portugal.

Vieira, Manuela and Fantoni, A. and Fernandes, M. and Louro, P. and Rodrigues, I. (2003) Stacked n-i-p-n-i-p heterojunctions for image recognition. [Other]. In: Amorphous and heterogeneous silicon based films- 2002, April 21-25, S. Francisco - U.S.A..

Vieira, Manuela and Fernandes, M. and Louro, P. and Fantoni, A. and Rodrigues, I. (2003) High sensitive image sensors based on a tandem laser scanned photodiode. [Other]. In: II International Materials Symposium, April 14-16, 2003, Lisbon, Portugal.

Vieira, Manuela and Fernandes, M. and Louro, P. and Fantoni, A. and Rodrigues, I. (2003) Optical confinement and colour separation in a double colour laser scanned photodiode (D/CLSP). [Paper]. In: Transducers 2003, 8-12, June, 2003, Boston Massachussetts - U.S.A..

Vieira, Manuela and Fernandes, M. and Louro, P. and Fantoni, A. and Rodrigues, I. (2003) Optically addressed read-write device based on a tandem heterostructures. [Paper]. In: International conference on amorphous and microcrystalline semiconductors:Science and Technology, August 25-29, 2003, Campos do Jordão SP, Brazil.

Vieira, Manuela and Fernandes, M. and Louro, P. and Fantoni, A. and Rodrigues, I. (2003) A non-pixel image reader for continuous image detection based on tandem heterostructures. [Other]. In: Eurosensors XVII-The 17th European Conference on Solid-State, September 21 – 24, Guimarães, Portugal.

Vieira, Manuela and Louro, P. and Fantoni, A. and Fernandes, M. and Brida, D. and Vygranenko, Yu (2003) CLSP image sensor on nipnip heterojunctions. [Paper]. In: 2nd a-SiNet workshop on thin silicon, February 19-21, 2003, Lisboa, Portugal.

Vieira, Manuela and Louro, P. and Fernandes, M. and Fantoni, A. (2003) Optical confinement in a Double Colour Laser Scanned Photodiode (D/CLSP). [Paper]. In: European Materials Research Society Symposium, 10-13, June, 2003, Strasburg, France.

2002

Goes, João and Paulino, Nuno and Ortigueira, Manuel (2002) A Digital-Domain Self-Calibration Technique for Video-Rate Pipeline A/D Converters Using Gaussian-White Noise. IEE Electronics Letters, 38 (19), pp. 1100-1101.

Paulino, Nuno and Rebelo, H. and Pires, F. and Neves, Isabel and Goes, João and Steiger-Garção, Adolfo (2002) Design of a Spiral-Mode Micro strip Antenna and Matching Circuitry for Ultra-Wide-Band Receivers. [Paper]. In: IEEE International Symposium on Circuits and Systems, 25-28 May 2002, Arizona, USA. URL: http://ieeexplore.ieee.org/search/selected.jsp?qry....

Vaz, Bruno and Paulino, Nuno and Goes, João and Tavares, Rui and Steiger-Garção, Adolfo (2002) Design of Low-Voltage CMOS Pipelined ADC’s using 1 pico-Joule of Energy per Conversion. [Paper]. In: IEEE International Symposium on Circuits and Systems, Arizona, USA.

Dugaev, V. K. and Ihas, G. G. and McKenney, C. and Kholevchuk, V. V. and Mitin, V. F. and Yu. Nemish, I. and Soloviev, E. A. and Vieira, Manuela (2002) Characterization and modelling of Ge film thermometers for low temperature measurements. [Other]. In: 1st IEEE International Conference on Sensors, June 12-14, Florida - U.S.A..

Dugaev, V. K. and Litvinov, V. I. and Barnás, J. and Slobodsky, A. H. and Dobrowolski, W. and Vieira, Manuela (2002) Ferromagnetic phase transition in diluted magnetic semiconductors: Role of disorder and magnetic semiconductors at low carrier density. [Other]. In: XXXI International Conference on the Physics of Semiconducting Coumponds, June 7-14, Jaszowiec, Poland.

Dugaev, V. K. and Litvinov, V. I. and Barnás, J. and Slobodsky, A. H. and Dobrowolski, W. and Vieira, Manuela (2002) Ferromagnetism in diluted magnetic semiconductor. [Paper]. In: 26th International Conference on Physics of Semiconductors, July 26 to August 2, Edimburg, UK.

Dugaev, V. K. and Litvinov, V. I. and Barnás, J. and Slobodsky, A. H. and Dobrowolski, W. and Vieira, Manuela (2002) Ferromagnetism in diluted magnetic semiconductors at low carrier density. [Paper]. In: European Conference Physics of Magnetism 2002, July 1-5, Poznan, Poland.

Dugaev, V. K. and Litvinov, V. I. and Barnás, J. and Slobodsky, A. H. and Dobrowolski, W. and Vieira, Manuela (2002) New mechanism of magnetic interaction and ferromagnetism of diluted magnetic semiconductor. [Other]. In: 2nd International Conference on Physics and Applications of Spin Related Phenomena in Semiconductors, July 23-26, Wurzburg, Germany.

Dugaev, V. K. and Slobodsky, A. H. and Barnás, J. and Litvinov, V. I. and Dobrowolski, W. and Vieira, Manuela (2002) Ferromagnetism in diluted magnetic semiconductors: effect of disorder. [Paper]. In: 19th CMD/EPS- CMMP02, April 7-11, Briton, UK.

Dugaev, V. K. and Vieira, Manuela and Litvinov, V. I. and Barnás, J. (2002) Theory of ferromagnetic transition in magnetically doped semiconductors. [Paper]. In: 2002 Mat. Res. Soc. Symp Fall Meeting, December 2-6, Boston - U.S.A...

Dugaev, V. K. and Volkov, V. L. and Oswaldowski, M. and Vieira, Manuela (2002) Energy relaxation at inelastic scattering of electrons from localized states. Technical Physics Letters, 28 (11), pp. 904-906.

Dugaev, V. K. and Vygranenko, Yu and Vieira, Manuela and Litvinov, V. I. and Barnás, J. (2002) Modelling of magnetically controlled Si-based optoelectronic devices. [Paper]. In: European Materials Research Society Symposium, 18-21, June, Strasburg, France.

Dugaev, V. K. and Vygranenko, Yu and Vieira, Manuela and Litvinov, V. I. and Barnás, J. and Mickiewicz, A. (2002) Magnetically controlled photovoltaic diode structure. [Other]. In: Nanostructural Magnetic materials for data storage - 2002, April 1-5, S. Francisco - U.S.A..

Fantoni, A. and Fernandes, M. and Vieira, Manuela (2002) Dependence of the lateral photoeffect in a-Si:H p-i-n structures on the material characteristics studied by means of numerical simulation. [Other]. In: Amorphous and heterogeneous silicon based films- 2002, April 1-5, S. Francisco - U.S.A..

Fantoni, A. and Vieira, Manuela and Martins, R. (2002) Influence of the intrinsic layer characteristics on a-Si:H p-i-n solar cell performance analysed by means of a computer simulation. Solar Energy Materials and Solar Cells, 73, pp. 151-162.

Fernandes, M. and Fantoni, A. and Vieira, Manuela (2002) Color detection by scanner wavelength control in LSP image sensors. [Paper]. In: a-SiNet workshop on thin silicon, March 6-8, 2002, Salerno, Italy.

Fernandes, M. and Vieira, Manuela and Louro, P. and Fantoni, A. and Martins, J. (2002) New color and image laser scanned photodiode sensor (CLSP). [Other]. In: Eurosensor XVI, 16th European Conference on Solid-State Transducers, September 15-17, Praha, Czech Republic.

Fernandes, M. and Vygranenko, Yu and Louro, P. and Vieira, Manuela (2002) Non pixelled amorphous silicon based color sensors. [Paper]. In: European Materials Research Society Symposium, 18-21, June, Strasburg, France.

Fernandes, M. and Vygranenko, Yu and Schwarz, R. and Vieira, Manuela and Nunes de Carvalho, C. (2002) Photocurrent multiplication in ITO/SiOx/Si optical sensors. Vacuum, 65, pp. 67-71.

Fernandes, M. and Vygranenko, Yu and Vieira, Manuela (2002) Dynamic response of non-pixeled amorphous silicon based image sensors. [Other]. In: Material and devices for optoelectronic and photonics-2002, April 1-5, S. Francisco - U.S.A..

Lavareda, G. and Carvalho, C. N. and Amaral, A. and Conde, J. P. and Vieira, Manuela and Chu, V. (2002) Properties of high growth rate amorphous silicon deposited by MC-RF-PECVD. Vacuum, 64 (3-4), pp. 245-248. (ISI Web of Science, Citations: 9).

Louro, P. and Fantoni, A. and Fernandes, M. and Vygranenko, Yu and Schwarz, R. and Vieira, Manuela (2002) Fine Tune of the Spectral Sensitivity in a-SiC:H p-i-n Devices. [Paper]. In: a-SiNet workshop on thin silicon, March 6-8, 2002, Salerno, Italy.

Louro, P. and Fantoni, A. and Vygranenko, Yu and Fernandes, M. and Vieira, Manuela (2002) Analysis of the bias dependent spectral response of a-SiC:H p-i-n photodiode. [Other]. In: Amorphous and heterogeneous silicon based films- 2002, April 1-5, S. Francisco - U.S.A..

Louro, P. and Vieira, Manuela and Fantoni, A. and Fernandes, M. and Vygranenko, Yu and Schwarz, R. (2002) Bias controlled spectral sensitivity in a-SiC:H p-i-n devices. [Paper]. In: European Materials Research Society Symposium, 18-21, June, 2002, Strasburg, France.

Louro, P. and Vieira, Manuela and Vygranenko, Yu and Fernandes, M. and Schwarz, R. and Schubert, M. (2002) Bias dependent photocurrent collection in p-i-n a-si:H/SiC:H heterojunctions. Sensors and Actuators A: Physical, 97-98, pp. 221-226.

Martins, J. and Fernandes, M. and Vieira, Manuela (2002) Electrical Simulation of a p-i-n Image Sensor. Vacuum, 64, pp. 307-313. (ISI Web of Science, Citations: 4).

Mitin, V. F. and Kholevchuk, V. V. and Dugaev, V. K. and Vieira, Manuela (2002) Low temperature properties of compensated Ge films used for cryogenic thermometers. [Other]. In: Nanostructural Magnetic materials for data storage- 2002, April 1-5, S. Francisco - U.S.A..

Niehus, M. and Sanguino, P. and Schwarz, R. and Koynov, S. and Vieira, Manuela and Monteiro, T. and Pereira, E. (2002) Non-stationary photoconductivity studies in GaN thin films deposited by hybrid pulsed laser and plasma technique. [Paper]. In: European Materials Research Society Symposium, 18-21, June, Strasburg, France.

Schwarz, R. and Fernandes, M. and Vygranenko, Yu and Fantoni, A. and Vieira, Manuela and Schubert, M. and Koynov, S. and Ferreira, P. and Sanguino, P. (2002) Photocarrier response time scanner. J. Non Cryst. Solids, 299-30, pp. 1261-1266. (ISI Web of Science).

Schwarz, R. and Louro, P. and Vygranenko, Yu and Fernandes, M. and Vieira, Manuela and Schubert, M. (2002) Memory effects in highly resistive p-i-n heterojunctions for optical applications. Thin Solid Films, 403-40, pp. 363-367. (ISI Web of Science, Citations: 1).

Schwarz, R. and Sanguino, P. and Koynov, S. and Fernandes, M. and Maçarico, A. and Vieira, Manuela (2002) Material and Device Characterization of Microcrystalline Si Solar Cells under a 3 Year Outdoor Test. [Paper]. In: a-SiNet workshop on thin silicon, March 6-8, 2002, Salerno, Italy.

Schwarz, R. and Vygranenko, Yu and Louro, P. and Fernandes, M. and Vieira, Manuela (2002) MISCam- New type of metal-insulator-Semiconductor Camera. [Paper]. In: European Materials Research Society Symposium, 18-21, June, 2002, Strasburg, France.

Slobodsky, A. H. and Dugaev, V. K. and Vieira, Manuela (2002) Ferromagnetic ordering in diluted magnetic semiconductors. Condensed Matter Physics, 5 (3), pp. 531-540.

Vieira, Manuela and Fernandes, M. and Fantoni, A. and Louro, P. and Schwarz, R. (2002) Biometric system based on one single large area a-SiC:H phohotodiode. [Other]. In: 1st IEEE International Conference on Sensors, June 12-14, Florida USA.

Vieira, Manuela and Fernandes, M. and Fantoni, A. and Louro, P. and Schwarz, R. (2002) A new CLSP sensor for Image recognition and color separation. [Other]. In: Amorphous and heterogeneous silicon based films-2002, April 1-5, S. Francisco - U.S.A..

Vieira, Manuela and Fernandes, M. and Louro, P. and Fantoni, A. and Schwarz, R. (2002) LSP sensor for image recognition and colour separation. [Paper]. In: a-SiNet workshop on thin silicon, March 6-8, Salerno, Italy.

Vieira, Manuela and Fernandes, M. and Louro, P. and Martins, J. and Maçarico, A. and Schwarz, R. and Schubert, M. (2002) Analog readout image sensor based on p-i-n hydrogenated amorphous silicon. Vacuum, 64, pp. 249-254. (ISI Web of Science).

Vieira, Manuela and Fernandes, M. and Louro, P. and Schwarz, R. and Schubert, M. (2002) Image capture devices based on p-i-n silicon carbides for biometrics applications. J. Non Cryst. Solids, 299-30, pp. 1245-1249.

Vieira, Manuela and Fernandes, M. and Vygranenko, Yu and Louro, P. and Schwarz, R. and Schubert, M. (2002) Laser Scanned Photodiodes (LSPs) for image sensing. Sensors and Actuators A: Physical, 97-98, pp. 98-103. (ISI Web of Science, Citations: 1).

Vieira, Manuela and Louro, P. and Fantoni, A. and Fernandes, M. (2002) Tuning the spectral distribution of p-i-n a-SiC:H devices for colour detection. [Other]. In: Eurosensor XVI, 16th European Conference on Solid-State Transducers, September 15-17, Praha, Czech Republic.

Vygranenko, Yu and Fernandes, M. and Louro, P. and Vieira, Manuela (2002) Modelling a-Si:H based p-i-n structures for optical sensor applications. Thin Solid Films, 403-40, pp. 354-358.

2001

Paulino, N. and Goes, J. and Steiger-Garcao, A. (2001) Design methodology for optimization of analog building blocks using genetic algorithms. [Paper]. In: ISCAS 2001. The 2001 IEEE International Symposium on Circuits and Systems (Cat. No.01CH37196), 06 May 2001-09 May 2001, Sydney, NSW. URL: http://dx.doi.org/10.1109/ISCAS.2001.922078.

1998

Goes, J. and Vital, J.C. and Franca, J.E. (1998) Systematic design for optimization of high-speed self-calibrated pipelined A/D converters. IEEE Transactions on Circuits and Systems II: Analog and Digital Signal Processing, 45 (12), pp. 1513-1526. ISSN 1057-7130. URL: http://dx.doi.org/10.1109/82.746663.

1994

Barata, Manuel and Rauber, T.W and Steiger-Garção, Adolfo (1994) Prognostic and Monitoring System for CNC Machines. Revue Européenne de Diagnostic et Surête, Edition Hermes, 4 (2), pp. 203-227.

Rauber, T.W and Barata, M. and Steiger-Garção, A. (1994) Learning of specific process monitors in machine tool supervision. Annual Review in Automatic Programming, 19, pp. 105-110. ISSN 0066-4138. URL: http://dx.doi.org/10.1016/0066-4138(94)90050-7.

1993

Barata, Manuel and Rauber, T.W and Steiger-Garção, Adolfo (1993) Prognostic and Monitoring System for CNC Machines. [Paper]. In: TOOLDIAG 93 - International Conference on Fault Diagnosis, 5-7, April 93, Toulouse (France).

Barata, Manuel and Rauber, Thomas and Steiger-Garção, Adolfo (1993) Sistema de Prognóstico e Monitoração para Máquinas CNC. [Paper]. In: 4as Jornadas Nacionais de Projecto,Planeamento e Producção Assistida por Computador, Lisboa, Portugal, 17-19 Maio 1993.

Jardim-Gonçalves, Ricardo and Barata, M. and Steiger-Garção, Adolfo (1993) Information Modelling and Interchange for Furniture. [Paper]. In: ECLA.CIM93-Workshop on Computer Integrated Manufacturing, November 22-26, 1993, Monte Caparica, .

Jardim-Gonçalves, Ricardo and Barata, Manuel and Steiger-Garção, Adolfo and Tavares, Marcelo (1993) Integration Of Furniture Design/Evaluation Tools - A Step/Express Approach. [Paper]. In: ECLA.CIM93-Workshop on Computer Integrated Manufacturing, November 22-26, 1993, Monte Caparica, .

Rauber, T.W and Barata, M. and Steiger-Garção, Adolfo (1993) A Toolbox for Analysis and Visualization of Sensor Data in Supervision. [Paper]. In: TOOLDIAG'93 International Conference on Fault Diagnosis, April 5-7, 1993, Toulouse, France, .

Rauber, T.W and Barata, Manuel and Steiger-Garcao, A. (1993) Ambiente para Análise e Visualização de Informação em Supervisão de Sistemas. [Paper]. In: 4as Jornadas Nacionais de Projecto,Planeamento e Produc��o Assistida por Computador, Lisboa, Portugal, 17-19 Maio 1993.

1992

Barata, M. and Rauber, T.W and Steiger-Garção, Adolfo (1992) Caracterização Automática de Padrões em Sensores de Máquinas CNC. Revista Robótica e Automação (10).

Barata, M. and Rauber, T.W. and Steiger-Garcao, A. (1992) Sensor Integration For Expert CNC Machines Supervision. [Paper]. In: IEEE International Workshop on Emerging Technologies and Factory Automation,, 11-14 Aug 1992 . URL: http://dx.doi.org/10.1109/ETFA.1992.683249.

Martins, Maria H. and Franca, J.E. and Garção, A.S. (1992) A symbolic z-transfer function generator for the synthesis and analysis of multirate switched-capacitor circuits. [Paper]. In: [Proceedings] 1992 IEEE International Symposium on Circuits and Systems, MAY 10-13, 1992, SAN DIEGO, CA. URL: http://dx.doi.org/10.1109/ISCAS.1992.230460. (ISI Web of Science).

Rauber, T.W and Steiger-Garção, Adolfo (1992) Binary Pattern Description based on UNL - Fourier Features - A Neural Network Identifier with Learning Capability. [Paper]. In: IFAC Symposium on Intelligent Components and Instruments for Control Applications, 20-22 May 92, , Malaga, Spain .

Rauber, T.W and Steiger-Garção, Adolfo (1992) Form Descriptors based on a Normalized Parametric Polar Transform (UNL Transform). [Paper]. In: MVA '92 IAPR Workshop on Machine Vision Applications, Dec. 7-9,1992, , Tokyo.

Rauber, T.W. and Steiger-Garção, A. (1992) Shape description by UNL Fourier features-an application to handwritten character recognition. [Paper]. In: 11th IAPR International Conference on Pattern Recognition. Vol.II. Conference B: Pattern Recognition Methodology and Systems, 30 Ago 1992 - 03 Set 1992, The Hague , Netherlands. URL: http://dx.doi.org/10.1109/ICPR.1992.201819. (ISI Web of Science).

1991

Barata, M. and Steiger-Garção, Adolfo (1991) Prognóstico e Monotorização em Máquinas CNC. [Paper]. In: 3ªs Jornadas Nacionais de Projecto, Planeamento e Produção Assistidos por Computador, 4 a 6 de Dezembro, Ordem dos En�s, FIL.

Martins, Maria H. and Steiger-Garção, Adolfo (1991) Towards High Level Syntesis of Mixed-Signal Analog-Digital ASICs. In: Analogue-digital ASICs: circuit techniques, design tools and applications. IEE circuits and Systems Series 3 . Peter Peregrinus Ltd., London, pp. 360-370. ISBN 0-86341-259-9.

Rauber, T.W and Steiger-Garção, Adolfo (1991) Descrições de Padrões Binários baseado nas Features UNL - Fourier -. [Paper]. In: 3ªs Jornadas Nacionais de Projecto, Planeamento e Produção Assistidos por Computador, 4 a 6 de Dezembro, Ordem dos En�s, FIL.

1990

Barata, M. and Steiger-Garcao, A. (1990) Predictive Environment for Prognosis and Monitoring CNC Systems Support. [Paper]. In: 23rd ISATA - International Symposium on Automotive Technology and Automation, 3rd-7th December 1990, Hofburg, Vienna, Austria,.

Barata, Manuel and Fonseca, José and Steiger-Garção, Adolfo (1990) Predictive Monitoring Environment for CNC Machining. [Paper]. In: IEEE International Workshop on Intelligent Motion Control, Agosto 1990., Istambul, Turquia, .

Barata, Manuel and Steiger-Garção, Adolfo (1990) Sensor Environment for Prognosis and Monitoring Systems Support. [Paper]. In: Third International Symposium on Robotics and Manufacturing-Research, Education, and Applications (ISRAM '90), July 18-20, 1990, Burnaby, British Columbia, Canada.

Barata, Manuel M. and Cunha, José C. and Steiger-Garcao, A. (1990) Transputer-based multi-agent monitoring system in NC. [Paper]. In: Transputer Applications 90 Conference, July 11-13, 1990, Southampton, UK .

Rauber, T.W and Barata, M. and Steiger-Garcao, A. (1990) Vision based Identifier using Adaptable Decision Rules and Transputer Execution Environment. [Paper]. In: 4th Latin-American Congress on Automatics, November 90, Mexico City, Mexico.

1989

Steiger-Garção, Adolfo and Barata, Manuel and Gomes, F. (1989) Integrated Environment for Prognosis and Monitoring System Support. [Paper]. In: 1st UNIDO Workshop on Robotics and CIM, September 11-15, 1989, Lisbon, .

1986

Steigercarcao, A and CamarinhaMatos, LM (1986) Concurrent Pascal as a robot level language - a suggestion. Revista ROBOTICA, 5 (5), pp. 269-272. ISSN 0263-5747. (ISI Web of Science).

This list was generated on Sat Mar 25 17:31:27 2017 GMT Standard Time.