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Changkun Park · SciRah

Researcher profile · Semantic Scholar

Changkun Park

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Changkun Park — researcher profile on SciRah

h-index: 11
Works: 84
Citations: 367

Most-cited papers

Three-Stacked CMOS Power Amplifier to Increase Output Power With Stability Enhancement for mm-Wave Beamforming Systems
H. Jeong, Hui-Dong Lee, Bonghyuk Park, Seunghyun Jang +2 more
2023IEEE transactions on microwave theory and techniques36 citations
Semantic Scholar
Epitaxial κ-Ga2O3/GaN heterostructure for high electron-mobility transistors
Haoqing Kang, Min Jae Yeom, J. Yang, Yoonho Choi +4 more
2023Materials today physics30 citations
Semantic Scholar
Design of a K-Band High-Linearity Asymmetric SPDT CMOS Switch Using a Stacked Transistor
Taehun Kim, Hui-Dong Lee, Bonghyuk Park, Seunghyun Jang +2 more
2022IEEE Microwave and Wireless Components Letters29 citations
Semantic Scholar
Reconfigurable Radio‐Frequency High‐Electron Mobility Transistors via Ferroelectric‐Based Gallium Nitride Heterostructure
J. Yang, Min Jae Yeom, Jaeyong Lee, Kyusang Lee +3 more
2022Advanced Electronic Materials26 citations
Semantic Scholar
Ka-Band CMOS Power Amplifier Using Stacked Structure With Cascode-Like Operation
Taehun Kim, H. Jeong, Seongjin Jang, Jaeyong Lee +1 more
2024IEEE Transactions on Circuits and Systems - II - Express Briefs19 citations
Semantic Scholar
Broadband metasurface superstrate for polarization-independent wave focusing and gain enhancement at Ka-band
Kanghyeok Lee, H. Hong, Wonwoo Lee, Semin Jo +5 more
2022Scientific Reports19 citations Open access
Semantic Scholar
Ka-Band Three-Stacked CMOS Power Amplifier With LC Shunt-Feedback to Enhance Gain and Stability
Taehun Kim, Changkun Park
2024IEEE Transactions on Circuits and Systems - II - Express Briefs17 citations
Semantic Scholar
Asymmetric SOI CMOS Switch With Series and Parallel Resonators to Enhance Isolation
Jaehyun Kwon, Jaeyong Lee, Taehun Kim, Donghwan Seo +3 more
2024IEEE Transactions on Circuits and Systems - II - Express Briefs15 citations
Semantic Scholar
Ka-Band GaN HEMT Phase Shifter With T-Type Structure for Beamforming Applications
Sunju Kim, Seongjin Jang, Jaeyong Lee, H. Jeong +2 more
2023IEEE Microwave and Wireless Technology Letters13 citations
Semantic Scholar
A Ka-band CMOS Active Phase Shifter Using Active Balun for Phase optimization
Ji-Min Lee, Jaeyong Lee, Seongjin Jang, Changkun Park
2023European Microwave Integrated Circuits Conference12 citations
Semantic Scholar
Scalable Van Der Waals Integration of III‐N Devices Over 2D Materials for CMOS‐Compatible Architectures
Gyuhyung Lee, Youngtek Oh, Junsik Hwang, Seog Woo Hong +21 more
2025Advances in Materials11 citations
Semantic Scholar
Millimeter-Wave Retrodirective Wireless Power Transfer Applicable to Small Electronic Devices
S. Oh, Do Hyeon Kim, Wonwoo Lee, Junhyuk Yang +3 more
2025IEEE Journal of Microwaves10 citations Open access
Semantic Scholar
Low Insertion Loss CMOS Phase Shifter for Wireless Power Transfer System
Jeong-Taek Lim, Jae-Hyeok Song, Joon-Hyung Kim, Min-Seok Baek +2 more
2024IEEE Microwave and Wireless Technology Letters10 citations
Semantic Scholar
Design of K-Band CMOS Extended Cascode Power Amplifier With Second Harmonic Termination to Enhance Output Power
H. Jeong, Changkun Park
2024IEEE Access9 citations Open access
Semantic Scholar
W-Band Asymmetric CMOS Switch Using Inductive Matching Technique
Jaehyun Kwon, Changkun Park
2024IEEE Microwave and Wireless Technology Letters8 citations
Semantic Scholar
Wideband CMOS Low-Noise Amplifier Using RC Feedback and Inductor for Resonance
Hyojin Yoon, Chaeyun Kim, Bohyeon Kim, Jaeyong Lee +1 more
2025IEEE Microwave and Wireless Technology Letters7 citations
Semantic Scholar
A Ka-Band 3-Bit GaN Digital Step Attenuator Using Phase Compensation Method
Seonhye Jang, Junhyuk Yang, Jaeyong Lee, Changkun Park
2023IEEE Access7 citations Open access
Semantic Scholar
Ka-Band CMOS Variable-Gain Amplifier Using Capacitive Compensation Technique to Suppress Phase Error
Dongin Min, Changkun Park
2025IEEE Transactions on Circuits and Systems - II - Express Briefs6 citations
Semantic Scholar
Ka-Band Cascode CMOS Power Amplifier with Improved Linearity Using Bias Optimization Technique
Hyunsoo Kim, Jaeyong Lee, Changkun Park
2024European Microwave Integrated Circuits Conference6 citations
Semantic Scholar
Design of CMOS-Based Unit Channel of Beamforming Transceivers for FACS Applications
Seongjin Jang, Hui-Dong Lee, Bonghyuk Park, Seunghyun Jang +2 more
2023IEEE Access6 citations Open access
Semantic Scholar
Sub-6 GHz GaAs pHEMT SPDT Switch with Low Insertion Loss and High Power Handling Capability Using Dual-Gate Technique
J. Kwon, Jinho Yoo, Jaeyong Lee, Tae-Hoo Kim +1 more
2023Wireless and Microwave Technology Conference6 citations
Semantic Scholar
Ka-Band Rotman Lens-Based Retrodirective Beamforming System for Wireless Power Transfer
Hayoung Hong, Hong-Won Park, Kanghyeok Lee, Wonwoo Lee +5 more
2021Journal of Electromagnetic Engineering and Science6 citations Open access
Semantic Scholar
Design Techniques for Wideband CMOS Power Amplifiers for Wireless Communications
Milim Lee, Junhyuk Yang, Jaeyong Lee, Changkun Park
2024Electronics5 citations Open access
Semantic Scholar
Ka-Band Three-Stack CMOS Power Amplifier with Split Layout of External Gate Capacitor for 5G Applications
Junhyuk Yang, Jaeyong Lee, Seongjin Jang, H. Jeong +1 more
2023Electronics5 citations Open access
Semantic Scholar
Design of K-Band Power Amplifier with 180-Degree Phase- Shift Function Using Low-Power CMOS Process
Seongjin Jang, Jaeyong Lee, Jeong-Woo Lee, Changkun Park
2023Applied Sciences5 citations Open access
Semantic Scholar
An X-Band High-Power GaN HEMT SPDT Switch With LC Resonant Isolation and Parallel Inductor-Assisted Power Distribution
Joonseok Park, Seungjong Moon, Jaehyun Kwon, Jinho Yoo +1 more
2026IEEE transactions on microwave theory and techniques4 citations
Semantic Scholar
K‐band CMOS low‐noise amplifier with 180° phase shift function using cascode structure
Seongjin Jang, Jaeyong Lee, Changkun Park
2023Electronics Letters4 citations Open access
Semantic Scholar
Layout of MOS Varactor with Improved Quality Factor for Cross-Coupled Differential Voltage-Controlled Oscillator Applications
Milim Lee, Jaeyong Lee, Changkun Park
2023Electronics4 citations Open access
Semantic Scholar
Design Technique of K-Band CMOS Phase Shifter with L-C-L T-Type Low Pass Structure
Seongjin Jang, Choul-Young Kim, Changkun Park
2023Electronics4 citations Open access
Semantic Scholar
Design of Compact Size CMOS VCO Using Dual-Primary Transformer With Dual-Core for Wide Tuning-Range
Joonseok Park, Jaeyong Lee, Changkun Park
2025IEEE Transactions on Circuits and Systems - II - Express Briefs3 citations
Semantic Scholar
Ka-Band CMOS Stacked-FET Power Amplifier With Pre-Distorted Driver Stage for 5G Applications
Seonhye Jang, Hyunsoo Kim, Changkun Park
2024IEEE Access3 citations Open access
Semantic Scholar
Ka-Band Wide Gain Control Range CMOS Variable Gain Amplifier Using PMOS for 5G Communications
Dongin Min, Jaeyong Lee, Seonhye Jang, Seongjin Jang +1 more
2022European Microwave Integrated Circuits Conference3 citations
Semantic Scholar
2.4-GHz CMOS Power Amplifier With Common-Mode Self-Rejection Technique to Suppress Even Harmonics
Donghwan Seo, Jaeyong Lee, Jinho Yoo, Seongjin Jang +1 more
2025IEEE Access2 citations Open access
Semantic Scholar
Design of a CMOS Power Amplifier With Improved Linearity Through Second-Harmonic Filtering Based on Parasitic Capacitance Analysis
Jiwon Kim, Changhyun Lee, Jinho Yoo, Changkun Park
2025IEEE Journal of Microwaves2 citations Open access
Semantic Scholar
A Transformer-Based Dual-Mode Ka-Band CMOS Power Amplifier With Enhanced Back-Off Efficiency
Hyunsoo Kim, Jaeyong Lee, Changkun Park
2025IEEE Journal of Microwaves2 citations Open access
Semantic Scholar
A High-Power SPDT Switch With Resonant Isolation Based on GaAs BiFET Technology for Sub-6-GHz Front-End Modules
Jaehyun Kwon, Jaeyong Lee, Jinho Yoo, Changkun Park
2025IEEE Access2 citations Open access
Semantic Scholar
W-Band GaN HEMT Switch Using the State-Dependent Concurrent Matching Method
Hyemin Im, Jaeyong Lee, Changkun Park
2023Electronics2 citations Open access
Semantic Scholar
Ka-Band CMOS Power Amplifier With 25.1 dBm OP1dB Using Four-Stack Structure to Enhance Output Power for 5G Applications
Hojong Lee, Jaeyong Lee, Hyunsoo Kim, Changkun Park
20262026 IEEE Topical Conference on RF/Microwave Power Amplifiers for Radio and Wireless Applications (PAWR)1 citations
Semantic Scholar
Active Phase Shifter Using Symmetrical Polyphase Filter and Active Balun With Mitigated Imbalances for Ka-Band 5G Applications
Ji-Min Lee, Jaeyong Lee, Changkun Park
2026IEEE transactions on microwave theory and techniques1 citations
Semantic Scholar
A Compact PA-LNA Bi-Directional Amplifier Using Transistor Switch Achieving High Integration in 40-nm LP CMOS
Hyunsoo Kim, Jaeyong Lee, Donghwan Seo, Changkun Park
20252025 5th International Conference on Electronics, Circuits and Information Engineering (ECIE)1 citations
Semantic Scholar
X-Band Asymmetric GaN HEMT SPDT Switch Using LC Resonator and Quarter-Wave Stub for High Power Handling Capability and High Isolation
Seungjong Moon, Jaehyun Kwon, Jaeyong Lee, Changkun Park
2025European Microwave Integrated Circuits Conference1 citations
Semantic Scholar
Band-Selectable CMOS SPDT Switch With Reconfigurable Magnetically Coupled Inductors for Multiband 5G NR Applications
Jaehyun Kwon, Jaeyong Lee, Changkun Park
2025IEEE Microwave and Wireless Technology Letters1 citations
Semantic Scholar
A Ka-Band SPDT CMOS Switch With CLC-Based Matching for 5G NR Beamforming Systems
Jaehyun Kwon, Jaeyong Lee, Changkun Park
2025IEEE Microwave and Wireless Technology Letters1 citations
Semantic Scholar
A 15-30 GHz Asymmetric SPDT Switch with Stacked Transistors Using 65-nm CMOS Process for Power-Handling Capability
Songwon Seo, Seungjong Moon, Jaehyun Kwon, Changkun Park
20252025 5th International Conference on Electronics, Circuits and Information Engineering (ECIE)1 citations
Semantic Scholar
Sub-6 GHz GaAs SPDT Switch Co-Designed with Shunt Inductor for ESD Protection
Jaehyun Kwon, Jaeyong Lee, Jinho Yoo, Taehun Kim +1 more
2025Electronics1 citations Open access
Semantic Scholar
A Ku-Band CMOS Power Amplifier with Common-Mode Suppression Using Inter-Stage Transformer
Donghwan Seo, Jaeyong Lee, Jinho Yoo, Changkun Park
2025European Microwave Integrated Circuits Conference1 citations
Semantic Scholar
X-Band CMOS Variable Gain Amplifier Using Mixed Structure of Variable Attenuation and Gain Stages with Impedance Buffer to Suppress Phase Variations for 6G Applications
Yejin Kim, Dongin Min, Jaeyong Lee, Changkun Park
2025European Microwave Integrated Circuits Conference1 citations
Semantic Scholar
CMOS Power Amplifier with Inter-Stage Matching Network Using Tournament-Shape Transformer
Donghwan Seo, Jaeyong Lee, Jinho Yoo, Changkun Park
2023Asia-Pacific Microwave Conference1 citations
Semantic Scholar
Ka-Band CMOS ×5 Frequency Multiplier With Current-Reuse Technique
Jeong-Taek Lim, Han-Woong Choi, Jae-Hyeok Song, Sunkyu Choi +2 more
2023IEEE Microwave and Wireless Technology Letters1 citations
Semantic Scholar
Wide Band CMOS Power Amplifier with High Flatness Using Inter-Digit Transformer and RC-Feedback
Ja-Soo Cho, Jaeyong Lee, Changkun Park
2023Wireless and Microwave Technology Conference1 citations
Semantic Scholar

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