Dual-band negative group delay circuit using defected microstrip structure. - Girdhari Chaudhary; Phirun Kim; Junhyung Jeong; Yongchae Jeong; Jongsik Lim (RWS, 2015)

Power divider with tunable positive and negative group delays using parasitic compensated PIN diode. - Girdhari Chaudhary; Phirun Kim; Junhyung Jeong; Yongchae Jeong (RWS, 2016)

Substrate-Integrated Waveguide Impedance Matching Network with Bandpass Filtering. - Junhyung Jeong; Phirun Kim; Phanam Pech; Yongchae Jeong; Sangmin Lee (RWS, 2019)

Differential Fed Antenna With High Self-Interference Cancellation for In-Band Full-Duplex Communication System. - Girdhari Chaudhary; Junhyung Jeong; Yongchae Jeong (IEEE Access, 2019)

A design of source-degenerated CMOS active negative group delay circuit using bonding wire. - Girdhari Chaudhary; Junhyung Jeong; Qi Wang; Yongchae Jeong (IEICE Electron. Express, 2019)

0.15 μm GaN HPA MMIC for 6G Upper-Mid Band. - Junhyung Jeong; Kyujun Cho; Junhyung Kim; Honggu Ji; Woojin Chang; Jongmin Lee; Byoung-Gue Min; Jongyul Park; Gyejung Lee; Dongmin Kang (ICTC, 2024)

Enhancing Ohmic Contacts in GaN HEMT Through Optimization of Ramp-Up Rate in Annealing Process. - Junhyung Kim; Gyejung Lee; Kyujun Cho; Jong Yul Park; Byoung-Gue Min; Junhyung Jeong; Honggu Ji; Woojin Chang; Jong-Min Lee; Dong-Min Kang (ICTC, 2024)

GaAs mHEMT Technology Achieving a High Cut-Off Frequncy of 446 GHz with a Gate Length of 75 nm. - Jong Yul Park; Byoung-Gue Min; Jong-Min Lee; Woojin Chang; Honggu Ji; Junhyung Jeong; Junhyung Kim; Gyejung Lee; Kyujun Cho; Dong Min Kang (ICTC, 2024)