Dr. Heungjae Choi
Dr. Heungjae Choi
SÍr Cymru (Star of Wales) Research Fellow at Cardiff University
Verified email at cardiff.ac.uk
TitleCited byYear
Efficiency enhancement of feedforward amplifiers by employing a negative group-delay circuit
H Choi, Y Jeong, CD Kim, JS Kenney
IEEE Transactions on Microwave Theory and Techniques 58 (5), 1116-1125, 2010
912010
Design and in vitro interference test of microwave noninvasive blood glucose monitoring sensor
H Choi, J Naylon, S Luzio, J Beutler, J Birchall, C Martin, A Porch
IEEE Transactions on Microwave Theory and Techniques 63 (10), 3016-3025, 2015
812015
Design of dual-band bandpass filter using DGS with controllable second passband
G Chaudhary, H Choi, Y Jeong, J Lim, D Kim, JC Kim
IEEE Microwave and Wireless Components Letters 21 (11), 589-591, 2011
452011
Bandwidth enhancement of an analog feedback amplifier by employing a negative group delay circuit
H Choi, Y Jeong, CD Kim, JS Kenney
Progress In Electromagnetics Research 105, 253-272, 2010
452010
Novel high-Q inductor using active inductor structure and feedback parallel resonance circuit
S Seo, N Ryu, H Choi, Y Jeong
2007 IEEE Radio Frequency Integrated Circuits (RFIC) Symposium, 467-470, 2007
362007
A new design of Doherty amplifiers using defected ground structure
HJ Choi, JS Lim, YC Jeong
IEEE microwave and wireless components letters 16 (12), 687-689, 2006
332006
Experimental verification for time advancement of negative group delay in RF electronic circuits
Y Jeong, H Choi, CD Kim
Electronics letters 46 (4), 306-307, 2010
262010
Synthesis of reflection type negative group delay circuit using transmission line resonator
H Choi, Y Kim, Y Jeong, CD Kim
2009 European Microwave Conference (EuMC), 902-905, 2009
262009
A design of co-channel feedback interference cancellation system using analog control
JK Lee, SK Park, HJ Choi, J Yun
2006 European Microwave Conference, 153-156, 2006
232006
A novel design for a dual-band negative group delay circuit
H Choi, Y Jeong, J Lim, SY Eom, YB Jung
IEEE Microwave and Wireless Components Letters 21 (1), 19-21, 2010
222010
A compact DGS load-network for highly efficient class-E power amplifier
H Choi, S Shim, Y Jeong, J Lim, CD Kim
2009 European Microwave Conference (EuMC), 492-495, 2009
212009
Synthesis of negative group delay time circuit
H Choi, K Song, CD Kim, Y Jeong
2008 Asia-Pacific Microwave Conference, 1-4, 2008
212008
Microwave group delay time adjuster using parallel resonator
S Park, H Choi, Y Jeong
IEEE Microwave and Wireless Components Letters 17 (2), 109-111, 2007
202007
Microwave noninvasive blood glucose monitoring sensor: Human clinical trial results
H Choi, S Luzio, A Porch
2017 IEEE MTT-S International Microwave Symposium (IMS), 876-879, 2017
142017
Doherty amplifier using load modulation and phase compensation DGS microstrip line
HJ Choi, JS Lim, YC Jeong, CD Kim
2006 European Microwave Conference, 352-355, 2006
142006
Design of Continuous Non-Invasive Blood Glucose Monitoring Sensor Based on a Microwave Split Ring Resonator
H Choi, J Naylon, S Luzio, J Beutler, A Porch
2014 IEEE International Microwave Workshop Series on RF and Wireless†…, 2014
132014
Characterization of electrical memory effects for complex multi-tone excitations using broadband active baseband load-pull
M Akmal, FL Ogboi, Z Yusoff, J Lees, V Carrubba, H Choi, S Bensmida, ...
2012 7th European Microwave Integrated Circuit Conference, 885-888, 2012
122012
Dual‐band feedforward linear power amplifier for digital cellular and IMT‐2000 base‐station
H Choi, Y Jeong, JS Kenney, CD Kim
Microwave and Optical Technology Letters 51 (4), 922-926, 2009
112009
Adaptive coupling of resonators for efficient microwave heating of microfluidic systems
AA Abduljabar, H Choi, DA Barrow, A Porch
IEEE Transactions on Microwave Theory and Techniques 63 (11), 3681-3690, 2015
102015
Simple and low-cost tracking generator design in envelope tracking radio frequency power amplifier system for WCDMA applications
Z Yusoff, J Lees, MA Chaudhary, V Carrubba, H Choi, P Tasker, ...
IET Microwaves, Antennas & Propagation 7 (10), 802-808, 2013
102013
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Articles 1–20