| 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 |
| 2011-04 | Improvement of Noise Performance in Phased-Array Receivers | 김정현 |
| 2024 | Investigation of neural substrates related to visuomotor interaction during de novo motor skill learning | 김정현 |
| 2018-09 | A linearity-improved multi-band envelope tracking Tx power amplifier under antenna mismatch for mobile applications | 김정현 |
| 2017-02 | Methylglyoxal induces AGE/RAGE-mediated angiogenic impairment in endothelial progenitor cells | 김정현 |
| 2023-04 | Modeling of Practical Substrate Thickness in Multilayer Printed Circuit Board for Millimeter-Wave Packaging | 김정현 |
| 2015-01 | A Multi-Mode Multi-Band Reconfigurable Power Amplifier for 2G/3G/4G Handset Applications | 김정현 |
| 2018-02 | A Multiband Directional Coupler Using SOI CMOS for RF Front-End Applications | 김정현 |
| 2011-04 | Non-dipper pattern is a determinant of the inappropriateness of left ventricular mass in essential hypertensive patients | 김정현 |
| 2015-05 | A Novel Load Mismatch Detection and Correction Technique for 3G/4G Load Insensitive Power Amplifier Application | 김정현 |
| 2022-10 | Novel Quantum Molecular Resonance Energy Source for Laparoscopic Bipolar Vessel Sealer: An Experimental Study in Animal Model | 김정현 |
| 2020-01 | A Programmable Impedance Tuner with a High Resolution Using a 0.18-um CMOS SOI Process for Improved Linearity | 김정현 |
| 2011-05 | The relationship between ambulatory arterial stiffness index and blood pressure variability in hypertensive patients | 김정현 |
| 2013-11 | The Relationships between Vitamin D Status and Blood Pressure in Korean Postmenopausal Women | 김정현 |
| 2016-05 | A Simple Extraction Method of Thermal Resistance in Multifinger GaAs HBT | 김정현 |
| 2023-02-10 | Switchless Dual-Power-Mode Fully Differential HBT Power Amplifier for Mobile Applications | 김정현 |
| 2008-09 | Temperature Compensating Bias Circuit for GaAs HBT RF Power Amplifiers with a Stage Bypass Architecture | 김정현 |
| 2008-09 | Temperature compensating bias circuit for GaAsHBT RF power amplifiers with stage bypass architecture | 김정현 |
| 2012-04 | Tunable impedance transformer using multiconductor coupled lines | 김정현 |
| 2018-09 | U-shaped stacked structure monolithic transformer for efficiency improvement | 김정현 |
| 2010-04 | Ultra-small Form-Factor Helix on Pad-Type Stage-Bypass WCDMA Tx Power Amplifier Using a Chip-Stacking Technique and a Multilayer Substrate | 김정현 |
| 2019-06 | W-Band Backward Distributed Frequency Doubler Using GaAs 0.15-mu m pHEMT Process | 김정현 |
| 2012-01 | W-CDMA 단말기용 Balanced 전력증폭기의 Load Insensitivity 분석 | 김정현 |
| 2012-05 | W-CDMA 단말기용 고효율 다중 모드 Balanced 전력증폭기 | 김정현 |
| 2022-02 | When river water meets seawater: Insights into primary marine aerosol production | 김정현 |
