INTERNATIONAL JOURNAL
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48 |
Q-Factor Enhanced Digitally Programmable Capacitor With Parallel-Connected Structure for High RF Power Handling Applications
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Wonwoo Seo, Sunghyuk Kim, Byunghun Ko, Younghwan Bae, Donghyeon Ji, Sunman Choi and Junghyun Kim
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| IEEE Transactions on Microwave Theory and Techniques |
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47 |
An Optimal Dual-Band Output Matching Method for a Power Amplifier
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Sunwoo Lee, Jooyoung Jeon and Junghyun Kim
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| IEEE Transactions on Microwave Theory and Techniques |
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46 |
The Generalization of Stage-Reduced STPS for Low-Loss Unequal 1×4 Phased Array Architecture for 5G IoT Applications
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Ahnwoo Lee, Sunghyuk Kim, Dongmin Lee, Junghyun Kim and TaeHwan Jang
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| IEEE Internet of Things Journal |
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45 |
High-Q Transformer Neutralization Technique for W-Band Dual-Band LNA Using 0.1 μm GaAs pHEMT Technology
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Taejoo Sim, Dongmin Lee, Wansik Kim, Kichul Kim, Jeungwon Choi, Minsu Kim and Junghyun Kim
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| Journal of Electromagnetic Engineering and Science |
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44 |
A Concurrent 26/48 GHz Low-Noise Amplifier With an Optimal Dual-Band Noise Matching Method Using GaAs 0.15 μm pHEMT
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Sunwoo Lee, Wonwoo Seo, Sunghyuk Kim, Byunghun Ko, Songjune Lee, Minsu Kim and Junghyun Kim
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| IEEE Transactions on Circuits and Systems Ⅱ: Express Briefs |
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43 |
A 5.15–7.125-GHz Differential Power Amplifier With Enhanced Linearity of Average Power Region Using Dynamic Cross-Coupled Capacitor
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Sungwoon Hwang, Jooyoung Jeon, Sooji Bae, Byeongcheol Yoon, Sungyoon Kang and Junghyun Kim
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| IEEE Transactions on Microwave Theory and Techniques |
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42 |
GaN-based 4-MHz Full-Bridge Electrosurgical Generator Using Zero-Voltage Switching over Wide Load Impedance Range
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Sungwoon Hwang, Seokmin Lee, Byeongcheol Yoon, Byongchang Jeong, Jongchan Kim, Sungmin Kim and Junghyun Kim
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| IEEE Transactions on Biomedical Circuits and Systems |
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41 |
Improved Linearity and Efficiency of 5-GHz HBT Power Amplifier Using Transformer-Based Second Harmonic Trap Network
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Sungwoon Hwang, Jooyoung Jeon, Sooji Bae, Byeongcheol Yoon, Sungyoon Kang and Junghyun Kim
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| IEEE Microwave and Wireless Technology Letters |
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40 |
Wideband Wide Beam-Width Modified Angled Dipole Antenna for 5G Millimeter-Wave IoT Applications
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Taehwan Jang, Ahnwoo Lee, Sunghyuk Kim, Heesung Lee, Jaesuk Lee, Hoongeun Song and Junghyun Kim
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| IEEE Access |
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39 |
A 39/48 GHz Switchless Reconfigurable Low Noise Amplifier Using Common Gate and Coupled-Line-Based Diplexer
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Byunghun Ko, Sunwoo Lee, Wonwoo Seo, Taejoo Sim, Sunghyuk Kim, Min-su Kim and Junghyun Kim
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| IEEE Transactions on Circuits and System Ⅱ-Express Briefs |
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38 |
Modeling of Practical Substrate Thickness in Multi-Layer Printed Circuit Board for Millimeter-Wave Packaging
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Dongmin Lee, Ahnwoo Lee, Minchul Kim, Wonseok Choe, Chungsik Lee, Kwansun Yoon, Mingeun Jeong and Junghyun Kim
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| IEEE Transactions on Components, Packaging and Manufacturing Technology | ||||
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37 |
4 MHz Electrosurgical Generator System for Wide Load Impedance Range with SiC-Based Full Bridge Inverter
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Byeongcheol Yoon, Sungwoon Hwang, Seokmin Lee, Byongchang Jeong, Jongchan Kim, Sungmin Kim and Junghyun Kim
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| IEEE Transactions on Industrial Electronics | ||||
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36 |
Switchless Dual-Power-Mode Fully Differential HBT Power Amplifier for Mobile Applications
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Sungwoon Hwang, Jooyoung Jeon, Sooji Bae, Byeongcheol Yoon,
Sungyoon Kang, and Junghyun Kim
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| IEEE Transactions on Microwave Theory and Techniques | ||||
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35 |
High-Powered RF SOI Switch With Fast Switching Time for TDD Mobile Applications
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Wonwoo Seo, Sunghyuk Kim, Byunghun Ko, Heesauk Jhon, and Junghyun Kim
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| IEEE Access | ||||
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34 |
A W-Band Amplifier With a New Wide-Band Interstage Matching Technique Using Self-Resonance of a Microstrip-Coupled Line
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Sunwoo Lee, Wansik Kim, Sosu Kim, Min-Su Kim, and Junghyun Kim
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| IEEE Access | ||||
|
33 |
Novel Quantum Molecular Resonance Energy Source for Laparoscopic Bipolar Vessel Sealer: An Experimental Study in Animal Model
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Seokhwan Bang, Jiwoong Yu, Jungeun Im, Soonyoung Kwon, Jongchang Kim, Sungmin Kim, Jung Hyun Kim and Byong Chang Jeong
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| MDPI Applied Sciences | ||||
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32 |
A 2.4 GHz 20 W 8-Channel RF Source Module with Improved Channel Output Balance
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Hyosung Nam, Taewan Kim, Taejoo Sim, Sooji Bae, and Junghyun Kim
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| MDPI Applied Sciences | ||||
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31 |
High-performance RF Power Amplifier Module using Optimum Chip-level Packaging Structure
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Hyosung Nam, Jihoon Kim, Jooyoung Jeon, Heesauk Jhon, and Junghyun Kim
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| IEEE Transactions on Industrial Electronics | ||||
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30 |
A 2.4 GHz 20 W 8-channel RF Source Module with Solid-State Power Amplifiers for Plasma Generators
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Hyosung Nam, Taejoo Sim and Junghyun Kim /
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| MDPI Electronics | ||||
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29 |
A Programmable Impedance Tuner with a High Resolution Using a 0.18-um CMOS SOI Process for Improved Linearity
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Younghwan Bae, Heesauk Jhon and Junghyun Kim /
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| MDPI Electronics | ||||
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28 |
W-Band Backward Distributed Frequency Doubler Using GaAs 0.15- μm pHEMT Process
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Minchul Kim, Kwangseok Choi and Junghyun Kim /
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| IEEE Microwave and Wireless Components Letters | ||||
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27 |
A 6–18-GHz Switchless Reconfigurable Dual-Band Dual-Mode PA MMIC Using Coupled-Line-Based Diplexer
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Kwangseok Choi, Hongjong Park, Minchul Kim, Junghyun Kim
and Youngwoo Kwon /
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| IEEE Transactions on Microwave Theory and Techniques | ||||
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26 |
U-shaped Stacked Structure Monolithic Transformer for Efficiency Improvement
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Sungyoon Kang, Minchul Kim and Junghyun Kim /
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| Microwave and Optical Technology Letters | ||||
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25 |
A Linearity-improved Multi-band Envelop Tracking Tx Power Amplifier under Antenna Mismatch for Mobile Applications
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Donghyeon Ji, and Junghyun Kim /
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| Microwave and Optical Technology Letters | ||||
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24 |
A 6-18 GHz GaN Reactively Matched Distributed Power Amplifier Using Simplified Bias Network and Reduced Thermal Coupling
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Hongjong Park, Hyosung Nam, Kwangseok Choi, Junghyun Kim,
and Youngwoo Kwon /
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| IEEE Trans. on Microwave Theory and Techniques | ||||
|
23 |
Highly Efficient 5.15-5.85 GHz Neutralized HBT Power Amplifier for LTE Applications
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Sungyoon Kang, Moon-Suk Jeon, and Junghyun Kim /
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| IEEE Microwave and Wireless Component Letters | ||||
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22
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A Multi-Band Directional Coupler Using SOI CMOS for RF Front-End Applications | |
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| Donghyeon Ji, and Junghyun Kim / | ||||
| IEEE Microwave and Wireless Component Letters | ||||
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21 |
A G-Band Frequency Doubler Using a Commercial 150 nm GaAs pHEMT Technology
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Iljin Lee, Junghyun Kim, and Sanggeun Jeon /
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| Journal of Electromagnetic Engineering and Science | ||||
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20
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Analysis and Design of Helix-on-Pads for Miniaturized Mobile Applications
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Changhyun Yoo, Unha Kim, and Junghyun Kim /
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| IEEE Trans. on Microwave Theory and Techniques | ||||
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19
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A Simple Extraction Method of Thermal Resistance in Multifinger GaAs HBT
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Gyeongjun Goh, Unha Kim, Moon-Suk Jeon, and Junghyun Kim /
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| IEEE Transactions on Electron Devices | ||||
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18
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A Novel Load Mismatch Detection and Correction Technique for 3G/4G Load Insensitive Power Amplifier Application
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Donghyeon Ji, Jooyoung Jeon, and Junghyun Kim /
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| IEEE Trans. on Microwave Theory and Techniques | ||||
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17
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A Programmable Impedance Tuner With Finite SWRs for Load-Pull Measurement of Handset Power Amplifiers
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Younghwan Bae, Unha Kim, and Junghyun Kim /
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| IEEE Microwave and Wireless Component Letters | ||||
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16
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A Multi-Mode Multi-Band Reconfigurable Power Amplifier for 2G/3G/4G Handset Applications
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Sungyoon Kang, Unha Kim, and Junghyun Kim /
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| IEEE Microwave and Wireless Component Letters | ||||
|
15
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A Fully-Integrated Penta-Band Tx Reconfigurable Power Amplifier with SOI CMOS Switches for Mobile Handset Applications
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Unha Kim, Sungyoon Kang, Junghyun Kim, and Youngwoo Kwon /
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| ETRI Journal | ||||
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14
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A Multi-Band Reconfigurable Power Amplifier for UMTS Handset Applications
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Unha Kim, Sungyoon Kang, Jungrin Woo, Youngwoo Kwon, and Junghyun Kim /
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| IEEE Trans. on Microwave Theory and Techniques | ||||
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13
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Tunable Impedance Transformer Using Multiconductor Coupled Lines
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Jinho Jeong, Junghyun Kim, and Sanggeun Jeon /
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| Microwave Optical Technology Letters | ||||
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12
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Improvement of Noise Performance in Phased-Array Receivers
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Junghyun Kim, Jinho Jeong, and Sanggeun Jeon /
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| ETRI Journal | ||||
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11
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Ultra-small Form-Factor Helix on Pad-Type Stage-Bypass WCDMA Tx Power Amplifier Using a Chip-Stacking Technique and a Multilayer Substrate
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Changhyun Yoo, and Junghyun Kim /
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| ETRI Journal | ||||
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10
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A Fully Integrated HBT MMIC Series-Type Extended Doherty Amplifier for W-CDMA Handset Applications
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Chanhoe Koo, Junghyun Kim, and Youngwoo Kwon /
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| ETRI Journal | ||||
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9
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Helix on Pad-Type Ultra Small-Size Power Amplifiers for WCDMA Handset Applications
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Changhyun Yoo, Unha Kim, Youngwoo Kwon, and Junghyun Kim /
|
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| IEEE Microwave and Wireless Component Letters | ||||
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8
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Fully integrated 3 x 3 mm BiFET stage-bypass power amplifier for WCDMA handset application
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Joomin Jung and Junghyun Kim /
|
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| Electronics Letters | ||||
|
7
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A Highly Efficient GaAs HBT MMIC Balanced Power Amplifier for W-CDMA Handset Applications
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Unha Kim, Junghyun Kim, and Youngwoo Kwon /
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| ETRI Journal | ||||
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6
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Temperature Compensating Bias Circuit for GaAs HBT RF Power Amplifiers with a Stage bypass Architecture
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Jooyoung Jeon, Junghyun Kim, and Youngwoo Kwon /
|
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| Electronics Letters | ||||
|
5
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A Highly-Intergrated Doherty Amplifier for CDMA Handset Applications using Active Phase Splitter
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Junghyun Kim, Seongjun Bae, Joomin Jeong, Jooyoung Jeon and Youngwoo Kwon /
|
||||
| IEEE Microwave and Wireless Components Letter | ||||
|
4
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A high-performance 40-85 GHz MMIC SPDT switch using FET-intergrated transmission line structure
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Junghyun Kim, Won Ko, Sungho Kim, Jinho Jeong, and Youngwoo Kwon /
|
||||
| IEEE Microwave and Wireless Components Letter / vol. 13 no. 12 pp. 505-507 | ||||
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3
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High-Performance V-band Cascode HEMT Mixer and Downconverter Module
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Junghyun Kim, Moonsuk Jeon, Dongki Kim, Jinho Jeong, and Youngwoo Kwon /
|
||||
| IEEE Trans. on Microwave Theory and Techniques / vol. 51 no. 3 pp. 805-810 | ||||
|
2
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A new "active" predistorter with high gain and programmable gain and phase characteristics using cascode-FET structures
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Junghyun Kim, Moonsuk Jeon, Jaehak Lee, and Youngwoo Kwon /
|
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| IEEE Trans. on Microwave Theory and Techniques | ||||
|
1
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Intermodulation Analysis of Dual-Gate FET Mixers
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Junghyun Kim and Youngwoo Kwon /
|
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| IEEE Trans. on Microwave Theory and Techniques | ||||