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Alex Cognata
Alex Cognata
RF/Microwave Measurement Technician
Verified email at keysight.com
Title
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Cited by
Year
Broad-band poly-harmonic distortion (PHD) behavioral models from fast automated simulations and large-signal vectorial network measurements
DE Root, J Verspecht, D Sharrit, J Wood, A Cognata
IEEE Transactions on Microwave Theory and Techniques 53 (11), 3656-3664, 2005
2572005
Large-signal HBT model with improved collector transit time formulation for GaAs and InP technologies
M Iwamoto, DE Root, JB Scott, A Cognata, PM Asbeck, B Hughes, ...
IEEE MTT-S International Microwave Symposium Digest, 2003 2, 635-638, 2003
742003
Linearity characteristics of GaAs HBTs and the influence of collector design
M Iwamoto, PM Asbeck, TS Low, CP Hutchinson, JB Scott, A Cognata, ...
IEEE Transactions on Microwave Theory and Techniques 48 (12), 2377-2388, 2000
742000
Multi-tone, multi-port, and dynamic memory enhancements to PHD nonlinear behavioral models from large-signal measurements and simulations
J Verspecht, D Gunyan, J Horn, J Xu, A Cognata, DE Root
2007 IEEE/MTT-S International Microwave Symposium, 969-972, 2007
722007
Accurate on-wafer power and harmonic measurements of mm-wave amplifiers and devices
B Hughes, A Ferrero, A Cognata
1992 IEEE MTT-S Microwave Symposium Digest, 1019-1022, 1992
601992
Broad-band, multi-harmonic frequency domain behavioral models from automated large-signal vectorial network measurements
J Verspecht, DE Root, J Wood, A Cognata
IEEE MTT-S International Microwave Symposium Digest, 2005., 1975-1978, 2005
532005
Measurement-based non-quasi-static large-signal FET model using artificial neural networks
J Xu, D Gunyan, M Iwamoto, A Cognata, DE Root
2006 IEEE MTT-S International Microwave Symposium Digest, 469-472, 2006
382006
Measurement-based large-signal diode modeling system for circuit and device design
DE Root, M Pirola, S Fan, WJ Anklam, A Cognata
IEEE transactions on microwave theory and techniques 41 (12), 2211-2217, 1993
331993
Drain-source symmetric artificial neural network-based FET model with robust extrapolation beyond training data
J Xu, D Gunyan, M Iwamoto, JM Horn, A Cognata, DE Root
2007 IEEE/MTT-S International Microwave Symposium, 2011-2014, 2007
162007
A 0.5-50 GHz on-wafer, intermodulation, load-pull and power measurement system
M Demmler, B Hughes, A Cognata
Proceedings of 1995 IEEE MTT-S International Microwave Symposium, 1041-1044, 1995
151995
Enhanced on-wafer time-domain waveform measurement through removal of interconnect dispersion and measurement instrument jitter
JB Scott, J Verspecht, B Behnia, MV Bossche, A Cognata, F Verbeyst, ...
IEEE transactions on microwave theory and techniques 50 (12), 3022-3028, 2002
132002
Nonlinear microwave/RF system design and simulation using Agilent ADS'system-data models'
J Wood, X Qin, A Cognata
Proceedings of the 2002 IEEE International Workshop on Behavioral Modeling …, 2002
122002
Influence of collector design on InGaP/GaAs HBT linearity
M Iwamoto, TS Low, CP Hutchinson, JB Scott, A Cognata, X Qin, ...
2000 IEEE MTT-S International Microwave Symposium Digest (Cat. No. 00CH37017 …, 2000
122000
A 20-50 GHz MMIC amplifier with 21 dBm output power and its application as a frequency doubler
H Kondoh, A Cognata
IEEE 1993 Microwave and Millimeter-Wave Monolithic Circuits Symposium Digest …, 1993
71993
Removal of cable and connector dispersion in time-domain waveform measurements on 40 Gb integrated circuits
J Scott, B Behnia, MV Bossche, A Cognata, J Verspecht, F Verbeyst, ...
2002 IEEE MTT-S International Microwave Symposium Digest (Cat. No. 02CH37278 …, 2002
42002
Measurement-based large-signal diode model, automated data acquisition system, and verification with on-wafer power and harmonic measurements
DE Root, M Pirola, S Fan, A Cognata
1993 IEEE MTT-S International Microwave Symposium Digest, 261-264, 1993
31993
Bias Oscillations in MMIC Measurements
M Odyniec, A Cognata
38th ARFTG Conference Digest 20, 120-128, 1991
31991
Assessment and Comparison of Measurement-Based Large-Signal FET Models for GaN HEMTs
RP Martinez, M Iwamoto, J Xu, C Gillease, S Cochran, M Culver, ...
IEEE Transactions on Microwave Theory and Techniques, 2024
12024
CA 95403 USA Abstract—This paper presents an extended nonlinear black-box behavioral model in the frequency domain, automated experimental identification of the model from …
MHFD Broad-Band, J Verspecht, D Root, J Wood, A Cognata
2005
MICROWAVE SYMPOSIUM PAPERS-Broad-Band Poly-Harmonic Distortion (PHD) Behavioral Models From Fast Automated Simulations and Large-Signal Vectorial Network Measurements
DE Root, J Verspecht, D Sharrit, J Wood, A Cognata
IEEE Transactions on Microwave Theory and Techniques 53 (11), 3656-3664, 2005
2005
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