Thin-film ferroelectric microwave devices MJ Lancaster, J Powell, A Porch Superconductor Science and Technology 11 (11), 1323, 1998 | 299 | 1998 |
An efficient broadband reconfigurable power amplifier using active load modulation DJ Shepphard, J Powell, SC Cripps IEEE Microwave and Wireless Components Letters 26 (6), 443-445, 2016 | 213 | 2016 |
High Tc coplanar resonators for microwave applications and scientific studies CE Gough, A Porch, MJ Lancaster, JR Powell, B Avenhaus, JJ Wingfield, ... Physica C: Superconductivity 282, 395-398, 1997 | 58 | 1997 |
A broadband reconfigurable load modulated balanced amplifier (LMBA) DJ Shepphard, J Powell, SC Cripps 2017 IEEE MTT-S International Microwave Symposium (IMS), 947-949, 2017 | 48 | 2017 |
A Power Reconfigurable High-Efficiency -Band Power Amplifier MMIC Using the Load Modulated Balanced Amplifier Technique JR Powell, DJ Shepphard, R Quaglia, SC Cripps IEEE Microwave and Wireless Components Letters 28 (6), 527-529, 2018 | 46 | 2018 |
Analysis of DC-RF dispersion in AlGaN/GaN HFETs using pulsed IV and time-domain waveform measurements P McGovern, J Benedikt, PJ Tasker, J Powell, KP Hilton, JL Glasper, ... IEEE MTT-S International Microwave Symposium Digest, 2005., 503-509, 2005 | 45 | 2005 |
Field, temperature, and frequency dependence of the surface impedance of thin films JR Powell, A Porch, RG Humphreys, F Wellhöfer, MJ Lancaster, ... Physical Review B 57 (9), 5474, 1998 | 45 | 1998 |
GaAs X-band high efficiency (> 65%) Broadband (> 30%) amplifier MMIC based on the Class B to Class J continuum JR Powell, MJ Uren, T Martin, A McLachlan, P Tasker, S Woodington, ... 2011 IEEE MTT-S International Microwave Symposium, 1-4, 2011 | 43 | 2011 |
A 290–310 GHz single sideband mixer with integrated waveguide filters C Guo, X Shang, MJ Lancaster, J Xu, J Powell, H Wang, ... IEEE Transactions on Terahertz Science and Technology 8 (4), 446-454, 2018 | 36 | 2018 |
X-band GaN SPDT MMIC with over 25 watt linear power handling J Janssen, KP Hilton, JO Maclean, DJ Wallis, J Powell, M Uren, T Martin, ... 2008 European Microwave Integrated Circuit Conference, 190-193, 2008 | 34 | 2008 |
Coupling matrix-based design of waveguide filter amplifiers Y Gao, J Powell, X Shang, MJ Lancaster IEEE Transactions on Microwave Theory and Techniques 66 (12), 5300-5309, 2018 | 33 | 2018 |
A 135–150-GHz frequency tripler with waveguide filter matching C Guo, X Shang, MJ Lancaster, J Xu, J Powell, H Wang, B Alderman, ... IEEE Transactions on Microwave Theory and Techniques 66 (10), 4608-4616, 2018 | 32 | 2018 |
A 180-GHz Schottky Diode Frequency Doubler With Counter-Rotated-Fields to Provide In-Phase Power-Combining C Viegas, H Liu, J Powell, H Sanghera, A Whimster, L Donoghue, ... IEEE Microwave and Wireless Components Letters 28 (6), 518-520, 2018 | 31 | 2018 |
Optimal design of broadband microwave baluns using single-layer planar circuit technology T Canning, JR Powell, SC Cripps IEEE transactions on microwave theory and techniques 62 (5), 1183-1191, 2014 | 30 | 2014 |
The nonlinear surface impedance of thin films in zero and large applied fields JR Powell, A Porch, AP Kharel, MJ Lancaster, RG Humphreys, ... Journal of applied physics 86 (4), 2137-2145, 1999 | 30 | 1999 |
Unusual features in the nonlinear microwave surface impedance of Y-Ba-Cu-O thin films AP Kharel, AV Velichko, JR Powell, A Porch, MJ Lancaster, ... Physical Review B 58 (17), 11189, 1998 | 29 | 1998 |
Integrated waveguide filter amplifier using the coupling matrix technique Y Gao, X Shang, C Guo, J Powell, Y Wang, MJ Lancaster IEEE Microwave and Wireless Components Letters 29 (4), 267-269, 2019 | 25 | 2019 |
Active millimeter-wave radiometry for nondestructive testing/evaluation of composites—Glass fiber reinforced polymer C Viegas, B Alderman, PG Huggard, J Powell, K Parow-Souchon, ... IEEE Transactions on Microwave Theory and Techniques 65 (2), 641-650, 2016 | 24 | 2016 |
The orthogonal LMBA: A novel RFPA architecture with broadband reconfigurability DJ Collins, R Quaglia, JR Powell, SC Cripps IEEE Microwave and Wireless Components Letters 30 (9), 888-891, 2020 | 23 | 2020 |
Experimental gallium nitride microwave Doherty amplifier J Lees, J Benedikt, KP Hilton, J Powell, RS Balmer, MJ Uren, T Martin, ... Electronics Letters 41 (23), 1, 2005 | 21 | 2005 |