Costa Freire
Costa Freire
Professor Associado do Instituto Superior Técnico Universidade de Lisboa
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Monolithic transistor SPST switch for L-band
JA Torres, JC Freire
IEEE transactions on microwave theory and techniques 50 (1), 51-56, 2002
Experimental characterization of power VDMOS transistors in commutation and a derived model for computer-aided design
MIC Simas, MS Piedade, JC Freire
IEEE transactions on power electronics 4 (3), 371-378, 1989
Efficacy of efavirenz 600 mg dose in the ARV therapy regimen for HIV patients receiving rifampicin in the treatment of tuberculosis
D Pedral-Samapio, C Alves, E Netto, C Brites, J Freire, R Badaro
10th Conference on Retroviruses and Opportunistic Infections, 10-14, 2003
Low cost LTCC filters for a 30GHz satellite system
MJ Rosario, F Le-Strat, PF Alleaume, JC Vaz, J Schroth, T Muller, ...
2003 33rd European Microwave Conference, 817-820, 2003
Microwaves in europe
R Sorrentino, T Oxley, G Salmer, AV Vorst, LP Ligthart, P Russer, ...
IEEE transactions on microwave theory and techniques 50 (3), 1056-1072, 2002
Millimeter-wave monolithic power amplifier for mobile broad-band systems
JC Vaz, JC Freire
IEEE Transactions on Microwave Theory and Techniques 49 (6), 1211-1215, 2001
Optimal design of MESFET frequency multipliers
JS Augusto, MJ Rosario, JC Vaz, JC Freire
1993 23rd European Microwave Conference, 402-404, 1993
CMOS active inductors for L band
G Mascarenhas, JC Vaz, JC Freire
2000 Asia-Pacific Microwave Conference. Proceedings (Cat. No. 00TH8522), 157-160, 2000
Monolithic mixers with MESFET technology to up and down convert between C and V band
JP Torres, F Fortes, MJ Rosario, JM Dieudonne, JC Freire
Proceedings of 1995 IEEE MTT-S International Microwave Symposium, 131-134, 1995
Grounded active inductors design optimization for fQmax= 14.2 GHz using a 130 nm CMOS technology
M Pandey, A Canelas, R Póvoa, J Torres, JC Freire, N Lourenço, N Horta
2015 International Conference on Synthesis, Modeling, Analysis and …, 2015
SiGe 30GHz active inductor based on cascode gyrator
JA Torres, JC Freire
2008 Asia-Pacific Microwave Conference, 1-4, 2008
SiGe: C BiCMOS monolithic millimeter wave integrated circuits
JA Torres, JC Freire
Conference Proceedings of Design of Circuits and Integrated Systems …, 2007
Voltage controlled phase shifters on CMOS technology
G Mascarenhas, JC Vaz, JC Freire
2006 Asia-Pacific Microwave Conference, 19-22, 2006
A 28.5 GHz monolithic cascode LNA with 70GHz f/sub T/SiGe HBTs
F Fortes, JC Freire, D Leenaerts, R Mahmoudi, A van Roermund
Proceedings of the 31st European Solid-State Circuits Conference, 2005 …, 2005
A 170All-Digital GFSK Demodulator With Rejection of Low SNR Packets for Bluetooth-LE
MS Pereira, JC Vaz, CA Leme, JT de Sousa, JC Freire
IEEE Microwave and Wireless Components Letters 26 (6), 452-454, 2016
K Band SiGe HBT single ended active inductors
JA Torres, JC Freire
Integration 52, 272-281, 2016
Accuracy of the simulation of V band MMICs typical microstrip elements with CAD programs
JC Vaz, MJ Rosario, JC Freire
1994 24th European Microwave Conference 2, 1097-1101, 1994
Modeling and Characterization of LDD and LDSD NMOS Transistors
MIC Simas, JC Freire, S Finco, FH Behrens
Conference Record of the 1993 IEEE Industry Applications Conference Twenty …, 1993
Design and application of a CMOS active inductor at Ku band based on a multi-objective optimizer
M Pandey, A Canelas, R Póvoa, JA Torres, JC Freire, N Lourenço, ...
Integration 55, 330-340, 2016
CMOS monolithic wideband image rejection mixer with polyphase filters
F Azevedo, MJ Rosario, JC Freire
Proceedings of the 2003 SBMO/IEEE MTT-S International Microwave and …, 2003
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