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L. C. Nunes
L. C. Nunes
Research Assistant at Universidade de Aveiro
Email confirmado em ua.pt
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AM/AM and AM/PM distortion generation mechanisms in Si LDMOS and GaN HEMT based RF power amplifiers
LC Nunes, PM Cabral, JC Pedro
IEEE Transactions on Microwave Theory and Techniques 62 (4), 799-809, 2014
752014
A simple method to estimate the output power and efficiency load–pull contours of class-B power amplifiers
JC Pedro, PM Cabral
IEEE Transactions on Microwave Theory and Techniques 63 (4), 1239-1249, 2015
462015
Soft compression and the origins of nonlinear behavior of GaN HEMTs
JC Pedro, LC Nunes, PM Cabral
2014 44th European Microwave Conference, 1297-1300, 2014
382014
Compensation of long-term memory effects on GaN HEMT-based power amplifiers
FM Barradas, LC Nunes, TR Cunha, PM Lavrador, PM Cabral, JC Pedro
IEEE Transactions on Microwave Theory and Techniques 65 (9), 3379-3388, 2017
372017
AM/PM distortion in GaN Doherty power amplifiers
LC Nunes, PM Cabral, JC Pedro
2014 IEEE MTT-S International Microwave Symposium (IMS2014), 1-4, 2014
312014
Characterizing power amplifier static AM/PM with spectrum analyzer measurements
TR Cunha, PM Cabral, LC Nunes
2014 IEEE 11th International Multi-Conference on Systems, Signals & Devices …, 2014
232014
An accurate characterization of capture time constants in GaN HEMTs
JL Gomes, LC Nunes, CF Gonçalves, JC Pedro
IEEE Transactions on Microwave Theory and Techniques 67 (7), 2465-2474, 2019
222019
A physical model of power amplifiers AM/AM and AM/PM distortions and their internal relationship
LC Nunes, PM Cabral, JC Pedro
2013 IEEE MTT-S International Microwave Symposium Digest (MTT), 1-4, 2013
212013
A new nonlinear model extraction methodology for GaN HEMTs subject to trapping effects
LC Nunes, JM Gomes, PM Cabral, JC Pedro
2015 IEEE MTT-S International Microwave Symposium, 1-4, 2015
202015
A simple method to extract trapping time constants of GaN HEMTs
LC Nunes, JL Gomes, PM Cabral, JC Pedro
2018 IEEE/MTT-S International Microwave Symposium-IMS, 716-719, 2018
162018
Pulsed I/V and S‐parameters measurement system for isodynamic characterization of power GaN HEMT transistors
CF Gonçalves, LC Nunes, PM Cabral, JC Pedro
International Journal of RF and Microwave Computer‐Aided Engineering 28 (8 …, 2018
142018
Nonlinear circuit simulation and modeling: fundamentals for microwave design
JC Pedro, DE Root, J Xu, LC Nunes
Cambridge University Press, 2018
132018
Accurate linearization with low-complexity models using cascaded digital predistortion systems
FM Barradas, LC Nunes, JC Pedro, TR Cunha, PM Lavrador, PM Cabral
IEEE microwave magazine 16 (1), 94-103, 2015
122015
Efficiency degradation analysis in wideband power amplifiers
LC Nunes, DR Barros, PM Cabral, JC Pedro
IEEE Transactions on Microwave Theory and Techniques 66 (12), 5640-5651, 2018
102018
Impact of trapping effects on GaN HEMT based Doherty PA load-pull ratios
LC Nunes, PM Cabral, JC Pedro
2015 Integrated Nonlinear Microwave and Millimetre-wave Circuits Workshop …, 2015
92015
Conservative current and charge data extracted from pulsed S-parameter measurements for GaN HEMT PA design
CF Gonçalves, LC Nunes, PM Cabral, JC Pedro
2017 IEEE MTT-S International Microwave Symposium (IMS), 1065-1068, 2017
72017
Trapping behavior of GaN HEMTs and its implications on class B PA bias point selection
PM Cabral, LC Nunes, T Ressurreição, JC Pedro
International Journal of Numerical Modelling: Electronic Networks, Devices …, 2017
72017
Dynamic supply voltage control for PA output power correction under variable loading scenarios
CF Gonçalves, FM Barradas, LC Nunes, PM Cabral, JC Pedro
IEEE Transactions on Microwave Theory and Techniques 69 (1), 745-755, 2020
62020
Efficiency dependence on the load-pull ratio of a Doherty PA
JC Pedro, LC Nunes
2014 IEEE MTT-S International Microwave Symposium (IMS2014), 1-4, 2014
62014
Explaining the Different Time Constants Extracted from Low Frequency Y22 and -DLTS on GaN HEMTs
JL Gomes, LC Nunes, JC Pedro
2020 IEEE/MTT-S International Microwave Symposium (IMS), 432-435, 2020
52020
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