An extended Doherty amplifier with high efficiency over a wide power range M Iwamoto, A Williams, PF Chen, AG Metzger, LE Larson, PM Asbeck IEEE Transactions on Microwave Theory and Techniques 49 (12), 2472-2479, 2001 | 504 | 2001 |
Digital generation of RF signals for wireless communications with band-pass delta-sigma modulation J Keyzer, J Hinrichs, A Metzger, M Iwamoto, I Galton, P Asbeck 2001 IEEE MTT-S International Microwave Sympsoium Digest (Cat. No. 01CH37157 …, 2001 | 135 | 2001 |
Bandpass delta-sigma class-S amplifier M Iwamoto, A Jayaraman, G Hanington, PF Chen, A Bellora, W Thornton, ... Electronics letters 36 (12), 1, 2000 | 103 | 2000 |
Design of high-efficiency current-mode class-D amplifiers for wireless handsets TP Hung, AG Metzger, PJ Zampardi, M Iwamoto, PM Asbeck IEEE transactions on microwave theory and techniques 53 (1), 144-151, 2005 | 101 | 2005 |
Doherty amplifier with DSP control to improve performance in CDMA operation Y Zhao, M Iwamoto, LE Larson, PM Asbeck IEEE MTT-S International Microwave Symposium Digest, 2003 2, 687-690, 2003 | 75 | 2003 |
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 | 74 | 2003 |
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 | 74 | 2000 |
Linearity improvement of HBT-based Doherty power amplifiers based on a simple analytical model Y Zhao, AG Metzger, PJ Zampardi, M Iwamoto, PM Asbeck IEEE transactions on microwave theory and techniques 54 (12), 4479-4488, 2006 | 63 | 2006 |
Augmented behavioral characterization for modeling the nonlinear response of power amplifiers PM Asbeck, H Kobayashi, M Iwamoto, G Hanington, S Nam, LE Larson 2002 IEEE MTT-S International Microwave Symposium Digest (Cat. No. 02CH37278 …, 2002 | 55 | 2002 |
Large-signal FET model with multiple time scale dynamics from nonlinear vector network analyzer data J Xu, J Horn, M Iwamoto, DE Root 2010 IEEE MTT-S International Microwave Symposium, 417-420, 2010 | 54 | 2010 |
A theory of high-frequency distortion in bipolar transistors M Vaidyanathan, M Iwamoto, LE Larson, PS Gudem, PM Asbeck IEEE transactions on microwave theory and techniques 51 (2), 448-461, 2003 | 49 | 2003 |
Generation of RF pulsewidth modulated microwave signals using delta-sigma modulation J Keyzer, R Uang, Y Sugiyama, M Iwamoto, I Galton, PM Asbeck 2002 IEEE MTT-S International Microwave Symposium Digest (Cat. No. 02CH37278 …, 2002 | 47 | 2002 |
Device modeling with NVNAs and X-parameters DE Root, J Xu, J Horn, M Iwamoto, G Simpson 2010 Workshop on Integrated Nonlinear Microwave and Millimeter-Wave Circuits …, 2010 | 42 | 2010 |
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 | 38 | 2006 |
Optimum bias conditions for linear broad-band InGaP/GaAs HBT power amplifiers M Iwamoto, CP Hutchinson, JB Scott, TS Low, M Vaidyanathan, ... IEEE transactions on microwave theory and techniques 50 (12), 2954-2962, 2002 | 28 | 2002 |
GaAsSb DHBT IC technology for RF and microwave instrumentation TS Low, MW Dvorak, M Farhoud, RE Yeats, M Iwamoto, GK Essilfie, ... IEEE Compound Semiconductor Integrated Circuit Symposium, 2005. CSIC'05., 4 pp., 2005 | 24 | 2005 |
Scaling of X-parameters for device modeling DE Root, M Marcu, J Horn, J Xu, RM Biernacki, M Iwamoto 2012 IEEE/MTT-S International Microwave Symposium Digest, 1-3, 2012 | 19 | 2012 |
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 | 16 | 2007 |
Knowledge-based neural network (KBNN) modeling of HBT junction temperature and thermal resistance from electrical measurements M Iwamoto, J Xu, W Zhou, DE Root 2017 IEEE MTT-S International Microwave Symposium (IMS), 1069-1071, 2017 | 15 | 2017 |
High efficiency current-mode class-D amplifier with integrated resonator TP Hung, AG Metzger, PJ Zampardi, M Iwamoto, PM Asbeck 2004 IEEE MTT-S International Microwave Symposium Digest (IEEE Cat. No …, 2004 | 14 | 2004 |