| 2021-08 | A 2.4 GHz 20 W 8-Channel RF Source Module with Improved Channel Output Balance | 김정현 |
| 2020-08 | A 2.4 GHz 20 W 8-channel RF Source Module with Solid-State Power Amplifiers for Plasma Generators | 김정현 |
| 2023-02 | 4 MHz Electrosurgical Generator System for Wide Load Impedance Range with SiC-Based Full Bridge Inverter | 김정현 |
| 2023-02-28 | 4 MHz Electrosurgical Generator System for Wide Load Impedance Range with SiC-Based Full Bridge Inverter | 김정현 |
| 2017-06 | A 6–18GHz GaN Distributed Power Amplifier Using Reactive Matching Technique and Simplified Bias Network | 김정현 |
| 2018-06 | 6-18 GHz Watt-Level Switchless Dual-Band PA MMIC using Coupled- Line-Based Diplexer | 김정현 |
| 2018-06 | 6-18 GHz Watt-Level Switchless Dual-Band PA MMIC using Coupled-Line Based Diplexer | 김정현 |
| 2018-06 | A 6-18-GHz GaN Reactively Matched Distributed Power Amplifier Using Simplified Bias Network and Reduced Thermal Coupling | 김정현 |
| 2018-12 | A 6-18-GHz Switchless Reconfigurable Dual-Band Dual-Mode PA MMIC Using Coupled-Line-Based Diplexer | 김정현 |
| 2017-06 | A 6-18 GHz GaN distributed power amplifier using reactive matching technique and simplified bias network | 김정현 |
| 2014-04 | A Fully-Integrated Penta-Band Tx Reconfigurable Power Amplifier with SOI CMOS Switches for Mobile Handset Applications | 김정현 |
| 2009-10 | A Highly Efficient GaAs HBT MMIC Balanced Power Amplifier for W-CDMA Handset Applications | 김정현 |
| 2010-05 | A multi-band reconfigurable power amplifier for UMTS handset applications | 김정현 |
| 2013-01 | A multi-mode multi-band reconfigurable power amplifier for low band GSM/UMTS handset applications | 김정현 |
| 2012-08 | A Multiband Reconfigurable Power Amplifier for UMTS Handset Applications | 김정현 |
| 2013-06 | A novel load insensitive RF power amplifier using a load mismatch detection and curing technique | 김정현 |
| 2015-04 | A Programmable Impedance Tuner With Finite SWRs for Load-Pull Measurement of Handset Power Amplifiers | 김정현 |
| 2022-08 | A W-Band Amplifier With a New Wide-Band Interstage Matching Technique Using Self-Resonance of a Microstrip-Coupled Line | 김정현 |
| 2016-10 | Analysis and Design of Helix-on-Pads for Miniaturized Mobile Applications | 김정현 |
| 2016-08 | Battery-free, stretchable optoelectronic systems for wireless optical characterization of the skin | 김정현 |
| 2009-10 | Fully integrated 3 x 3 mm BiFET stage-bypass power amplifier for WCDMA handset application | 김정현 |
| 2010-02 | Fully Integrated HBT MMIC Series-Type Extended Doherty Amplifier for W-CDMA Handset Applications | 김정현 |
| 2017-07 | A G-band frequency doubler using a commercial 150 nm GaAs pHEMT technology | 김정현 |
| 2019-06 | GaAs HBT 공정을 이용한 주파수 분배 방식의 광대역 구동증폭기 설계 | 김정현 |
| 2009-12 | Helix on Pad-Type Ultra Small-Size Power Amplifiers for WCDMA Handset Applications | 김정현 |
| 2023-02 | High-Powered RF SOI Switch With Fast Switching Time for TDD Mobile Applications | 김정현 |
| 2023-01-18 | High-Powered RF SOI Switch With Fast Switching Time for TDD Mobile Applications | 김정현 |
| 2018-03 | Highly Efficient 5.15-to 5.85-GHz Neutralized HBT Power Amplifier for LTE Applications | 김정현 |
| 2009-06 | HoP-iPD 출력 매칭 회로를 적용한 2mm × 2mm 크기의 WCDMA 단말기용 마이크로파 전력 증폭기 개발 | 김정현 |
| 2023-10 | Improved Linearity and Efficiency of 5-GHz HBT Power Amplifier Using Transformer-Based Second Harmonic Trap Network | 김정현 |
