Integrated mixed-mode digital-analog filter converters. - João C. Vital; José E. Franca; Franco Maloberti (IEEE J. Solid State Circuits, 1990)

Recent Developments and Future Trends of Multirate Analog-digital Systems. - José E. Franca; Sanjit K. Mitra; Antonio Petraglia (ISCAS, 1993)

High-speed D/A Conversion with Linear Phase Sin x/x Compensation. - Bernardo G. Henriques; José E. Franca (ISCAS, 1993)

Charge Programming Techniques for SC Biquads. - F. P. Martins; Nuno F. Paulino; José E. Franca (ISCAS, 1993)

Continuous-time Leapfrog Filter with Precise Successive Approximation Tuning. - F. C. Nunes; José E. Franca (ISCAS, 1993)

Switched-capacitor Polyphase Structures for Two-dimensional Analog FIR Filtering. - Ping Wang; José E. Franca (ISCAS, 1993)

A Concurrent Two-step Flash Analogue-to-digital Converter Architecture. - João C. Vital; José E. Franca (ISCAS, 1993)

Fully-digital Testability of a High-speed Conversion System. - João C. Vital; José E. Franca; Nuno S. Silva (ISCAS, 1993)

High-Speed A/D-D/A Conversion System with Flexible Testing Capabilities. - João C. Vital; José E. Franca (VLSI Design, 1993)

A CMOS analog-digital audio processor for a portable radiotelephone. - Jorge Guilherme; F. P. Martins; João C. Vital; José E. Franca (IEEE J. Solid State Circuits, 1993)

An optimum CMOS switched-capacitor antialiasing decimating filter. - Rui Paulo Martins; José E. Franca; Franco Maloberti (IEEE J. Solid State Circuits, 1993)

High-Speed CMOS Current Comparators. - João Pedro A. Carreira; José E. Franca (ISCAS, 1994)

High-Linearity Calibration of Low-Resolution Digital-to-Analog Converters. - João Goes; José E. Franca; Nuno F. Paulino; Jorge A. Grilo; Gabor C. Temes (ISCAS, 1994)

Digitally-Controlled Analogue Signal Processing and Conversion Techniques Employing a Logarithmic Building Block. - Jorge Guilherme; José E. Franca (ISCAS, 1994)

A Methodology for Automatic Generation of Data Conversion Topologies from Algorithms. - Nuno C. G. Horta; José E. Franca (ISCAS, 1994)

Switched-Current Multirate Filtering. - Ping Wang; José E. Franca (ISCAS, 1994)

A high-speed programmable CMOS interface system combining D/A conversion and FIR filtering. - Bernardo G. Henriques; José E. Franca (IEEE J. Solid State Circuits, 1994)

Automatic Symbolic Characterization of SC Multirate Circuits with Finite Grain Operational Amplifiers. - M. Helena Fino; José E. da Franca; Adolfo Steiger-Garção (ISCAS, 1995)

Optimum Resolution-per-Stage in High-Speed Pipelined A/D Converters Using Self-Calibration. - João Goes; João C. Vital; José E. Franca (ISCAS, 1995)

New CMOS Logarithmic A/D Converters Employing Pipeline and Algorithmic Architectures. - Jorge Guilherme; José E. Franca (ISCAS, 1995)

Automatic symbolic analysis of switched-capacitor filtering networks using signal flow graphs. - M. Helena Fino; José E. da Franca; Adolfo Steiger-Garção (IEEE Trans. Comput. Aided Des. Integr. Circuits Syst., 1995)

Programmable CMOS switched-capacitor biquad using quasi-passive algorithmic DAC's. - Nuno Paulino 002; José E. Franca; F. P. Martins (IEEE J. Solid State Circuits, 1995)

Efficient IIR switched-capacitor decimators and interpolators. - Fernando A. P. Barúqui; Antonio Petraglia; Sanjit K. Mitra; José E. Franca (EUSIPCO, 1996)

Mixed analog-digital multirate signal processing. - Sanjit K. Mitra; José E. Franca (EUSIPCO, 1996)

ALCD-analog libraries on CMOS digital process. - C. Dupuy; José E. Franca; Carlos Azeredo Leme; Franco Maloberti; Roberto Rivoir; Guido Torelli; Yannis Papananos (ICECS, 1996)

New impulse sampled IIR switched-capacitor interpolators. - Seng-Pan U.; Rui Paulo Martins; José E. Franca (ICECS, 1996)

Digitally programmable analog building blocks for the implementation of artificial neural networks. - A. P. Almeida; José E. da Franca (IEEE Trans. Neural Networks, 1996)

A CMOS 1.0-μm two-dimensional analog multirate system for real-time image processing. - Ping Wang; José E. Franca (IEEE J. Solid State Circuits, 1997)

Multirate analog-digital systems for signal processing and conversion. - José E. Franca; Antonio Petraglia; Sanjit K. Mitra (Proc. IEEE, 1997)

Algorithm-driven synthesis of data conversion architectures. - Nuno C. G. Horta; José E. Franca (IEEE Trans. Comput. Aided Des. Integr. Circuits Syst., 1997)

A continuous-time area detector servo demodulator for hard disk drives. - Nuno de Figueiredo Garrido; José E. Franca (ICECS, 1998)

Symbolic synthesis of non-linear data converters. - Jorge Guilherme; Nuno C. G. Horta; José E. Franca (ICECS, 1998)

Exact design of multirate switched-current FIR filters with improved phase linearity. - Markus Helfenstein; José E. Franca; George S. Moschytz (ICECS, 1998)

Basic principles and new solutions for analog sampled-data image rejection mixers. - Kong-Pang Pun; José E. Franca; Carlos Azeredo Leme (ICECS, 1998)

A novel half-band SC architecture for efficient analog impulse sampled interpolation. - Seng-Pan U; Rui Paulo Martins; José E. Franca (ICECS, 1998)

A low-power CMOS nine-channel 40-MHz binary detection system with self-calibrated 500-μV offset. - Carlos Azeredo Leme; José Silva; Paulo Rodrigo; José E. da Franca (IEEE J. Solid State Circuits, 1998)

RAPID-retargetability for reusability of application-driven quadrature D/A interface block design. - José E. Franca; Nuno Horta; M. Pereira; João C. Vital; Rafael Castro-López; Manuel Delgado-Restituto; Francisco V. Fernández 001; Ángel Rodríguez-Vázquez; J. Ramos; P. Santos (ICECS, 1999)

Fully differential variable gain instrumentation amplifier based on a fully differential DDA topology. - António J. Gano; José E. Franca (ICECS, 1999)

Poly-phase switched-capacitor IIR Hilbert transformers. - Kong-Pang Pun; José E. Franca; Carlos Azeredo Leme (ICECS, 1999)

Highly accurate mismatch-free SC delay circuits with reduced finite gain and offset sensitivity. - Seng-Pan U.; Rui Paulo Martins; José E. Franca (ISCAS (2), 1999)

High performance multirate SC circuits with predictive correlated double sampling technique. - Seng-Pan U.; Rui Paulo Martins; José E. Franca (ISCAS (2), 1999)

New multiple input fully differential variable gain CMOS instrumentation amplifier. - António J. Gano; José E. Franca (ISCAS, 2000)

Wideband digital correction of I and Q mismatch in quadrature radio receivers. - Kong-Pang Pun; José E. Franca; Carlos Azeredo Leme (ISCAS, 2000)

A linear-phase halfband SC video interpolation filter with coefficient-sharing and spread-reduction. - Seng-Pan U; Rui Paulo Martins; José E. Franca (ISCAS, 2000)

Design considerations for high resolution pipeline ADCs in digital CMOS technology. - Jorge Guilherme; Pedro M. Figueiredo; Pedro Azevedo; Goncalo Minderico; Antonio Leal; João C. Vital; José E. Franca (ICECS, 2001)

A true logarithmic analog-to-digital pipeline converter with 1.5 bit/stage and digital correction. - Jorge Guilherme; João C. Vital; José E. Franca (ICECS, 2001)

IC design automation from circuit level optimization to retargetable layout. - Jingnan Xu; J. Serras; M. Oliveira; R. Belo; M. Bugalho; João C. Vital; Nuno Horta; José E. Franca (ICECS, 2001)

A pipeline 15-b 10-Msample/s analog-to-digital converter for ADSL applications. - Jorge Guilherme; Pedro M. Figueiredo; Pedro Azevedo; Goncalo Minderico; Antonio Leal; João C. Vital; José E. Franca (ISCAS (1), 2001)

A quadrature sampling scheme with improved image rejection for complex-IF receivers. - Kong-Pang Pun; José E. Franca; Carlos Azeredo Leme (ISCAS (1), 2001)

High-frequency low-power multirate SC realizations for NTSC/PAL digital video filtering. - Seng-Pan U.; Rui Paulo Martins; José E. Franca (ISCAS (1), 2001)

A high-speed frequency up-translated SC bandpass filter with auto-zeroing for DDFS systems. - Seng-Pan U.; Rui Paulo Martins; José E. Franca (ISCAS (1), 2001)

A CMOS logarithmic pipeline A/D converter with a dynamic range of 80 dB. - Jorge Guilherme; João C. Vital; José E. Franca (ICECS, 2002)

A quadrature IF mixer with high image rejection for continuous-time complex Sigma-Delta modulators. - Kong-Pang Pun; Chiu-sing Choy; Cheong-Fat Chan; José E. Franca (ISCAS (4), 2002)

Design and analysis of low timing-skew clock generation for time-interleaved sampled-data systems. - Seng-Pan U.; Rui Paulo Martins; José E. Franca (ISCAS (4), 2002)

A 48-16-MHz CMOS SC decimation filter. - Fernando Antonio Pinto Barúqui; Antonio Petraglia; José E. Franca (IEEE J. Solid State Circuits, 2002)

Timing-mismatch analysis in high-speed analog front-end with nonuniformly holding output. - Sai-Weng Sin; Seng-Pan U.; Rui Paulo Martins; José E. Franca (ISCAS (1), 2003)

Quadrature sampling schemes with improved image rejection. - Kong-Pang Pun; José E. da Franca; Carlos Azeredo Leme; Ricardo Reis 001 (IEEE Trans. Circuits Syst. II Express Briefs, 2003)

A 2.5-V 57-MHz 15-tap SC bandpass interpolating filter with 320-MS/s output for DDFS system in 0.35-μ hboxm CMOS. - Seng-Pan U; Rui Paulo Martins; José E. Franca (IEEE J. Solid State Circuits, 2004)

An I/Q mismatch-free switched-capacitor complex sigma-delta Modulator. - Kong-Pang Pun; Chiu-sing Choy; Cheong-Fat Chan; José Epifânio da Franca (IEEE Trans. Circuits Syst. II Express Briefs, 2004)

Life begins at 65: unless you are mixed signal? - Reimund Wittmann; Massimo Vanzi; Hans-Joachim Wassener; Navraj Nandra; Joachim Kunkel; José E. da Franca; Christian Münker (DATE, 2007)