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IMS 2013 Seattle

- M. J. Franco, "An 80% Power Efficient, 125-Watt, GaN-based RF Power Amplifier Designed for Continuous Duty and

Linear Operation on L-band".

- R. A. Beltran, "UHF Class-E Power Amplifier Based Upon Multi-Harmonic Approximation".

- D. Sardin, Z. Popovic, "3 Decade Bandwidth High-Efficiency GaN UHF/VHF Power Amplifier"

- J. A. Garcia, R. Marante, M. N. Ruiz, G. Hernandez, "A 1 GHz Frequency-Controlled Class E2 DC/DC Converter for Efficiently

Handling Wideband Signal Envelopes".

- R. Caverly, "Electrothermal Modeling of Microwave and RF PIN Diode Switch and Attenuator Circuits"

- John Walker, Workshop WFA "MultiOctave High Efficiency, High Linearity High Power Amplifiers".

IMS 2012 Montreal

- R. Caverly, “Time-Domain Electrothermal Circuit-Level Modeling of Microwave and RF PIN Diodes".

- Christer M. Andersson, Junghwan Moon, Christian Fager, Bumman Kim, and Niklas Rorsman, "Decade bandwidth high

efficiency GaN HEMT power amplifier designed with resistive harmonic loading".

- Jooseung Kim, Dongsu Kim, Yunsung Cho, Daehyun Kang, Byungjoon Park, and Bumman Kim,"Envelope Tracking Power

Amplifier with Dual-Mode Supply Modulator for LTE Applications".

- Yunsung Cho, Daehyun Kang, Jooseung Kim, Dongsu Kim, Byungjoon Park, and Bumman Kim,"A Low/High-Mode Power

Amplifier with Envelope-Tracking Operation".

- Bumman Kim, Junghwan Moon, Seunghoon Jee, and Jungjoon Kim, "Characteristics of Various Switching Amplifier and the

Optimized Structure".

- Bumman Kim, Daehyung Kang, Yunsung Cho, Dongsu Kim, Jooseung Kim, and Seunghoon Jee, "Broadband Doherty Power

Amplifier for Handset".

- Bumman Kim, Daehyung Kang, Dongsu Kim, Jooseung Kim, and Yunsung Cho, "Envelope Tracking PA and Doherty PA for

Handset application".

- Dongsu Kim, Daehyun Kang, Jooseung Kim, Yunsung Cho, and Bumman Kim, "Wideband Envelope Tracking Power Amplifier

for LTE Application".

- Mediano, Arturo; , "Using near field probes to observe class E waveforms in HF/VHF/UHF power amplifiers".

- Mediano, Arturo; Sokal, Nathan O.; "Class-E RF power amplifier with a flat-top transistor-voltage waveform".

- William (Bill) Cantrell, Short Course (SC-2), "EMI/EMC Fundamentals for RF/MW Engineers".

- Robert Caverly, Workshop WFG, "RF Coils and Components for MRI Receiving Applications", "Overview of MR Scanning

Fundamentals", "MRI RF Receive Coil Control in the High Field Environment" with W. E. Doherty .

- Marc Franco, Workshop "Measurement, Design, and Linearization Techniques for High-Efficiency Amplifiers". "Design

and Simulation of Integrated, High-Efficiency Power Amplifier Modules"

- John Walker, Workshop WSA: Unconventional Power Amplifier Architecture with High Efficiency, "Achieving Linear

Power Amplifiers with Both Wide Bandwidth (Multiple

Octave) and High Efficiency" and "Characteristics of Various Switching Amplifiers and The Optimized Structure"

- John Walker, Workshop WMG :"Broadband PAs for Wireless Communications", "Broadband Doherty Power Amplifier for

Handset"

- John Walker, Workshop WFD :" High-Efficiency Transmitters with Dynamic Supplies"

"Envelope Tracking PA and Doherty PA for Handset Application"

- Frederick Raab, Workshop WSA: Unconventional Power Amplifier Architecture with High Efficiency, "High-Efficiency

Power Amplifiers and Transmitters".

2011 Baltimore

- R. A. Beltran, F. H. Raab, "VHF Doherty Amplifier with GaN FETs and Independent Drive-signal Control"

- W. N. Allen, D. Peroulis, "Bandwidth-Optimal Single-Tunable-Element Matching Network for Antenna Tuning in Mobile

Handsets"

- M. J. Franco, D. Dening, "Broadband Reconfigurable Matching Network of Reduced Dimensions for the UHF Military

Satellite Communication Band"

- F. H. Raab, "Electronically Tuned UHF Power Amplifier"

- J. Bouny, "A High Efficiency 250W LDMOS Amplifier for Polar-Transmitter at 940 MHz"

- W. A. Alomar, A. Mortazawi, "A High Voltage High Power (HiVP) Class-E Power Amplifier at VHF"

- T. Kitahara, T. Yamamoto, S. Hiura, "Doherty Power Amplifier with Asymmetrical Drain Voltages for Enhanced

Efficiency at 8 dB Backedoff Output Power"

- . Caverly, W. E. Doherty Jr. and Ron Watkins, "Modeling High Speed MRI Coil Switching using PIN Diodes"

2010 Anaheim

- R. A. Beltran and F. H. Raab, "Lumped-element Output Networks for High-efficiency Power Amplifiers", May 2010.

- K. Narendra, A. Mediano, L. Anand, C. Prakash, "Second harmonic reduction in broadband HF/VHF/UHF class E RF power

amplifiers", May 2010.

- M. Gamal El Din, B. Geck, I. Rolfs, H. Eul, Leibniz, "A Novel Inverse Class-D Output Matching Network and its Application

to Dynamic Load Modulation", May 2010.

- S. Sen, S. K. Devarakond, A. Chatterjee, "DSP Assisted Low Cost IQ Mismatch Measurement and Compensation Using

Built in Power Detector", May 2010.

2009 Boston

- R. A. Beltran, F. H. Raab, A. Velazquez, "HF Outphasing Transmitter using Class-E Power Amplifiers"; June 2009.

- Masoud Meghdadi, Mehrdad Sharif-Bakhtiar, Ali Medi,, "A UHF Variable Gain Amplifier for Direct-Conversion DVB-H

Receivers"; June 2009.

- S. Kashihara, F. Kuroki, "Characteristics of J-Shaped Monopole Antenna Array with Matching Circuit at UHF Band"; June

2009.

- T. Lee, J. Park, "Compact PCB Embedded Tunable Filter for UHF TV Broadcasting"; June 2009.

- A. Al Tanany, A. Sayed, G. Boeck, "Broadband GaN Switch Mode Class E Power Amplifier for UHF Applications"; June

2009.

- A. Katz, B. Eggleston, D. McGee, "A Linear GaN UHF SSPA with Record High Efficiency"; June 2009.

2008 Atlanta

- N. D. López, J. Hoversten, M. Poulton, Z. Popovic, "A 65-W High-Efficiency UHF GaN Power Amplifier", June 17, 2008.

- T. Shi, M. Mallinger, L. Leverich, J. Chang, C. Leader, M. Caballero "800W UHF SiC SIT Transistor for Radar Applications",

June 17, 2008.

- J. Vidkjaer, "Series-Tuned High Efficiency RF-Power Amplifiers", June 17, 2008.

- K. Narendra, C. Prakash, A. Grebennikov, A. Mediano, C. Paoloni, "Design and Computer Simulation of High Efficiency

Broadband Parallel-Circuit Class-E RF Power Amplifier with Reactance Compensation Technique", June 17, 2008.

- B. Shi, M. Chia, "Switching-Mode Linear RF Power Amplifier System", June 17, 2008.

- R. Leberer, M. Oppermann, R. Reber, "An AlGaN/GaN Class-S Amplifier for RF-Communication Signals", June 17, 2008.

2007 Honolulu

- A. Katz, J. L. Martinetti, M. J. Franco, "A Highly Efficient UHF Power Amplifier Using GaAs FETs for Space Applications"

June 2-8, 2007.

- F. H. Raab, "Model for the low-frequency performance of ferrite-loaded balun transformers ",

June 2-8, 2007.

- A. Mediano, P. Molina-Gaudo, C. Bernal, "Class E Amplifier Design Equations for Maximizing the Frequency Utilization of

a Device", June 2-8, 2007.

- J. Park, J. Burger, J. Titizian, "UHF-Band Long-Pulse Radar Power Amplifiers using Push-Pull and Balanced

Configurations", June 2-8, 2007.

- M. J. Franco, A. Katz, "Class-E Silicon Carbide VHF Power Amplifier", June 2-8, 2007.

- R. H. Caverly, "Adjacent-Channel Power Contributions of Silicon MOSFET Switches in RF and Microwave Systems",

June 3-8, 2007.

2006 San Francisco

- F.H.Raab, "Broadband Class-E Power Amplifier for HF and VHF", MTT-S Int. Microwave Symp. Digest, San Francisco, CA;

June 11-16, 2006.

- A.Eroglu,A.Radomski,D.Lincoln,Y.Chawla, "Improvement of Class E Amplifier with Inductive Clamp Circuit Topology and

Its Applications"; MTT-S Int. Microwave Symp. Digest, San Francisco, CA; June 11-16, 2006.

- R.H.Caverly,J.C.Peyton Jones, "Contributions to Adjacent Channel Power in Microwave and Wireless Systems by PIN

Diodes"; MTT-S Int. Microwave Symp. Digest, San Francisco, CA; June 11-16, 2006.

- S.J.Nightingale,G.S.Sodhi,J.E.Austin, "An Eight Channel Interference Cancellation System"; MTT-S Int. Microwave Symp.

Digest, San Francisco, CA; June 11-16, 2006.

- M.J.Franco,A.Guida, A.Katz, P.Herczfeld, "Reduction of In-band Intermodulation Distortion Products in Radio Frequency

Power Amplifiers with Digital Predistortion Linearization"; MTT-S Int. Microwave Symp. Digest, San Francisco, CA; June 11-

16, 2006.

- R.L.Campbell, "High Frequency Differential Passive FET Direct Conversion Mixer/Modulator"; MTT-S Int. Microwave

Symp. Digest, San Francisco, CA; June 11-16, 2006.

2005 Long Beach

- G. Hegazi, T. Chu, and R. Groshong, "Improved LINC power transmission using a quadrature outphasing technique,"

MTT-S Int. Microwave Symp. Digest, Long Beach, CA, June 12 - 17, 2005. [P-1003]

- S. Jeon and D. Rutledge, "A 2.7-kW, 29-MHz class-E/Fodd amplifier with a distributed active transformer," MTT-S Int.

Microwave Symp. Digest, Long Beach, CA, June 12 - 17, 2005. [P-1004]

- W. Cantrell, D. Anderson, and W. Meszko, "A novel surface-mount RF delay filter for feedforward LPAs," MTT-S Int.

Microwave Symp. Digest, Long Beach, CA, June 12 - 17, 2005. [P-1005]

- C. Galbraith, R. White, K. Grosh, and G. Rebeiz, "A mammalian Cochlea- based RF channelizing filter," MTT-S Int.

Microwave Symp. Digest, Long Beach, CA, June 12 - 17, 2005. [P-1006]

2004 Ft. Worth

- F. H. Raab, "Split-band modulator for Kahn-technique transmitters," IEEE MTT-S Int. Microwave Symp. Digest, vol. 2, pp.

887 - 890, Fort Worth, TX, June 6 - 11, 2004. [P-906]

- P. M. Gaudo, C. Bernal, and A. Mediano, "Output power capability of class-E amplifiers with nonlinear shunt

capacitance," IEEE MTT-S Int. Microwave Symp. Digest, vol. 2, pp. 891 - 894, Fort Worth, TX, June 6 -11, 2004. [P-907]

- D. W. Ferwalt and A. Weisshaar, "A base control Doherty power amplifier for improved efficiency in GSM handsets,"

IEEE MTT-S Int. Microwave Symp. Digest, vol. 2, pp. 895 - 898, Fort Worth, TX, June 6 - 11, 2004. [P-908]

- D. Kuylenstierna and P. Linner, "Design of broadband lumped element baluns," IEEE MTT-S Int. Microwave Symp. Digest,

vol. 2, pp. 899 - 902, Fort Worth, TX, June 6 - 11, 2004.

- F-L. Wong and K-K. Cheng, "A novel planar branch-line coupler design for dual-band applications," IEEE MTT-S Int.

Microwave Symp. Digest, vol. 2, pp. 903 - 906, Fort Worth, TX, June 6 - 11, 2004.

- W. Gerhard and R. Knoechel, "LINC digital component separator for multicarrier W-CDMA signals," IEEE MTT-S Int.

Microwave Symp. Digest, vol. 2, pp. 907 - 910, Fort Worth, TX, June 6 - 11, 2004. [P-909]

2003 Philadelphia

- C. A. Hall, R. C. Luetzelschwab, R. D. Streeter, and J. H. VanPatten, "A 25 watt RF MEM-tuned VHF bandpass filter," 2003 Int

Microwave Symp. Digest, vol. 1, pp. 503 - 508, Philadelphia, PA, June 8 - 13, 2003. [P-814]

- F. H. Raab, "High-efficiency linear amplification by dynamic load modulation," 2003 Int. Microwave Symp. Digest, vol. 3,

pp. 1717 - 1720, Philadelphia, PA, June 8 - 13, 2003. [P-828]

- W. H. Cantrell and W. A. Davis, "Amplitude modulator utilizing a high-Q class-E DC-DC converter," 2003 Int. Microwave

Symp. Digest, vol. 3, pp. 1721 - 1724, Philadelphia, PA, June 8 - 13, 2003. [P-829]

- J. L. B. Walker, "Analytic expressions for the optimum source & load impedance and associated large-signal gain of

an RF power transistor," 2003 Int. Microwave Symp. Digest, vol. 3, pp. 1725 - 1728, Philadelphia, PA, June 8 - 13, 2003. [P-830]

- M. Eron et al., "Accurate, wideband characterization and optimization of high power LDMOS amplifier memory

properties," 2003 Int. Microwave Symp. Digest, vol. 3, pp. 1729 - 1732, Philadelphia, PA, June 8 - 13, 2003. [P-831]

- E. G. Jeckeln, H-Y. Shih, M. Eron, and E. Martony, "Method for modeling amplitude and bandwidth dependent distortion

in nonlinear RF devices," 2003 Int. Microwave Symp. Digest, vol. 3, pp. 1733 - 1736, Philadelphia, PA, June 8 - 13, 2003. [P-832]

- P. Molina-Gaudo, C. Bernal, and A. Mediano, "Exact analysis of a simple class E circuit version for device

characterization purposes," 2003 Int. Microwave Symp. Digest, vol. 3, pp. 1737 - 1740, Philadelphia, PA, June 8 - 13, 2003. [P-

833]

- T. P. Weldon and K. Miehle, "Using amplifiers with poor linearity to linearize amplifiers with good linearity," 2003 Int.

Microwave Symp. Digest, vol. 3, pp. 1741 - 1744, Philadelphia, PA, June 8 - 13, 2003. [P-834]

2002 Seattle

- A. V. Grebennikov and H. Jaeger, "Class E with parallel circuit - a new challenge for high-efficiency RF and microwave

power amplifiers," 2002 Int. Microwave Symp. Digest, vol. 3, pp. 1627 - 1630, Seattle, WA, June 2 - 7, 2002. [P-740]

- F. Bohn, S. Kee, and A. Hajimiri, "Demonstration of a switchless class E/Fodd dual-band power amplifier," 2002 Int.

Microwave Symp. Digest, vol. 3, pp. 1631 - 1634, Seattle, WA, June 2 - 7, 2002. [P-741]

- A. Alipov and V. Kozyrev, "Push/pull class-DE switching power amplifier," 2002 Int. Microwave Symp. Digest, vol. 3, pp.

1635 - 1638, Seattle, WA, June 2 - 7, 2002. [P-742]

- P. Colantonio, F. Giannini, G. Leuzzi, and E. Limiti, "Harmonic tuned PAs design criteria," 2002 Int. Microwave Symp. Digest,

vol. 3, pp. 1639 - 1642, Seattle, WA, June 2 - 7, 2002. [P-743]

- D. K. Choi and S. I. Long, "Finite DC feed inductor in class E power amplifiers - a simplified approach," 2002 Int.

Microwave Symp. Digest, vol. 3, pp. 1643 - 1646, Seattle, WA, June 2 - 7, 2002. [P-744]

- H. Kobayashi and P. M. Asbeck, "Active cancellation of switching noise for DC-DC converter-driven RF power

amplifiers," 2002 Int. Microwave Symp. Digest, vol. 3, pp. 1647 - 1650, Seattle, WA, June 2 - 7, 2002. [P-745]

- K-C. Peng, J-K. Jau, and T-S. Horng, "A novel EER transmitter using two-point delta-sigma modulation scheme for

WLAN and 3G applications," 2002 Int. Microwave Symp. Digest, vol. 3, pp. 1651 - 1654, Seattle, WA, June 2 - 7, 2002. [P-746]

2001 Phoenix

- K. Shenai and E. McShane, "Current status and emerging trends in RF power FET technologies," Int. Microwave Symp.

Digest, vol. 2, pp. 1501 - 1504, Phoenix, AZ, May 20 - 25, 2001. [P-681]

- S. D. Kee, I. Aoki, and D. Rutledge, "7-MHz, 1.1-kW demonstration of the new E/F2 odd switching amplifier class," Int.

Microwave Symp. Digest, vol. 2, pp. 1505 - 1508, Phoenix, AZ, May 20 - 25, 2001. [P-682]

- D. R. Anderson and W. H. Cantrell, "High-efficiency inductor-coupled SEPIC for use in dynamic envelope tracking CDMA

RF amplifiers," Int. Microwave Symp. Digest, vol. 2, pp. 1509 - 1512, Phoenix, AZ, May 20 - 25, 2001. [P-683]

- F. H. Raab, "Electronically tunable class-E power amplifier," Int. Microwave Symp. Digest, vol. 2, pp. 1513 - 1516, Phoenix,

AZ, May 20 - 25, 2001. [P-684]

- P. B. Kenington, M. Cope, R. M. Bennett, and J. Bishop, "A GSM-EDGE high power amplifier utilising digital linearization,"

Int. Microwave Symp. Digest, vol. 2, pp. 1517 - 1520, Phoenix, AZ, May 20 - 25, 2001. [P-685]

2000 Boston

- A. N. Rudiakova and V. G. Krizhanovski, "Driving waveforms for class-F power amplifiers," Int. Microwave Symp. Digest,

vol. 1, pp. 473 - 476, Boston, MA, June 13 - 15, 2000. [P-558]

- A. V. Grebennikov, "Circuit design technique for high-efficiency class-F amplifiers" Int. Microwave Symp. Digest, vol. 2,

pp. 771 - 774, Boston, MA, June 13 - 15, 2000. [P-566]

- A. Inoue, T. Heima, A. Ohta, R. Hattori, and Y. Mitsui, "Analysis of class-F and inverse class-F amplifiers," Int. Microwave

Symp. Digest, vol. 2, pp. 775 - 778, Boston, MA, June 13 - 15, 2000. [P-567]

- N. O. Sokal, "Class-E switching-mode high-efficiency tuned RF/microwave power amplifier: Improved design

equations," Int. Microwave Symp. Digest, vol. 2, pp. 779 - 782, Boston, MA, June 13 - 15, 2000. [P-568]

- A. Mediano, P. Molina and J. Navarro, "Class E RF/microwave power amplifier: linear "equivalent" of transistor's

nonlinear output capacitance, normalized design and maximum operating frequency vs. output capacitance," Int.

Microwave Symp. Digest, vol. 2, pp. 783 - 786, Boston, MA, June 13 - 15, 2000. [P-569]

- W. H. Cantrell, "Circuit to aid tuning of class-E power amplifier," Int. Microwave Symp. Digest, vol. 2, pp. 787 - 790, Boston,

MA, June 13 -15, 2000. [P-570]

- X. Zhu, J. Zhou, W. Hong, and H. Zhao, "A simple method to cut down configuration of feedforward power amplifier,"

Int. Microwave Symp. Digest, vol. 2, pp. 791 - 794, Boston, MA, June 13 - 15, 2000. [P-571]

1999 Anaheim

- C. Trask, "Class-F amplifier loading networks: A unified design approach," Int. Microwave Symp. Digest, vol. 1, pp. 351 -

354, Anaheim, CA, June 14 - 17, 1999. [P-465]

- P. B. Kenington, S. J. Gillard, and A. E. New, "An ultra-broadband power amplifier using dynamically-controlled

linearisation," Int. Microwave Symp. Digest, vol. 1, pp. 355 - 358, Anaheim, CA, June 14 - 17, 1999. [P-466]

- R. Frey, "500W, Class E 27.12 MHz amplifier using a single plastic MOSFET," Int. Microwave Symp. Digest, vol. 1, pp. 359 -

362, Anaheim, CA, June 14 - 17, 1999. [P-467]

- A. Mediano and P. Molina, "Frequency limitation of a high-efficiency class E tuned RF power amplifier due to a shunt

capacitance," Int. Microwave Symp. Digest, vol. 1, pp. 363 - 366, Anaheim, CA, June 14-17, 1999. [P-468]

- H. Zirath and D. Rutledge, "An LDMOS VHF class E power amplifier using a high Q novel variable inductor," Int.

Microwave Symp. Digest, vol. 1, pp. 367 - 370, Anaheim, CA, June 14 - 17, 1999. [P-468]

1998 Baltimore

- N. O. Sokal, "Class E high-efficiency power amplifiers, from HF to microwave," Int. Microwave Symp. Digest, vol. 2, pp.

1109 - 1112, Baltimore, MD, June 7 - 11, 1998. [P-433]

- J. F. Davis and D. B. Rutledge, "A low-cost class-E power amplifier with sine-wave drive," Int. Microwave Symp. Digest,

vol. 2, pp. 1113 - 1116, Baltimore, MD, June 7 - 11, 1998. [P-434]

- R. Frey, "Capabilities of low-cost high voltage RF power MOSFETs at HF and VHF," Int. Microwave Symp. Digest, vol. 2,

pp. 1117 - 1120, Baltimore, MD, June 7 - 11, 1998. [P-435]

- R. L. Campbell, "A novel high frequency single-sideband transmitter using constant-envelope modulation," Int.

Microwave Symp. Digest, vol. 2, pp. 1121 - 1124, Baltimore, MD, June 7 - 11, 1998. [P-436]

- D. Myer, "Ultra linear/feedforward amplifier design," Int. Microwave Symp. Digest, vol. 2, pp. 1125 - 1127, Baltimore, MD,

June 7 - 11, 1998. [P-437]