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 |
2023-11-01 | A 39/48 GHz Switchless Reconfigurable Low Noise Amplifier Using Common Gate and Coupled-Line-Based Diplexer | 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 |
2023-10-17 | A 5.15–7.125-GHz Differential Power Amplifier With Enhanced Linearity of Average Power Region Using Dynamic Cross-Coupled Capacitor | 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 |
2024-03 | A Concurrent 26/48 GHz Low-Noise Amplifier With an Optimal Dual-Band Noise Matching Method Using GaAs 0.15 μm pHEMT | 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 |
2023-08-31 | GaN-Based 4-MHz Full-Bridge Electrosurgical Generator Using Zero-Voltage Switching Over Wide Load Impedance Range | 김정현 |
2024-02-20 | The Generalization of Stage-Reduced STPS for Low-Loss Unequal 1×4 Phased Array Architecture for 5G IoT Applications | 김정현 |
2009-12 | Helix on Pad-Type Ultra Small-Size Power Amplifiers for WCDMA Handset Applications | 김정현 |