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Global Leading University
Analog & RF Circuit and System Research Center

교수진

양영구 교수 | 초고주파회로설계
학력 Education
  • (Ph.D.) in Electronic and Electrical Engineering, Postech, Pohang, Korea, (2002)
약력/경력 Experience
  • Skyworks Solutions Inc., Newbury Park, California, (2002-2005) Senior Electronic Design Engineer
관심분야 Research Interest
  • Linear Power Amplifier ICs or Modules
  • Low Power CMOS Analog/RF Integrated Circuit Design
  • RF Transmitter/Receiver Systems Design/Integration
연구키워드 Research Keyword
  • RF Circuit Design
연구성과 Major Research Achievements
  • Development of the polar transmitter for UHF RFID readers
  • Development of highly linear 1 Watt power amplifier MMIC
  • Highly efficient transmitter design for wireless power transmission
  • UHF RFID tag IC / reader SoC design
논문 Journal Article
  • Sooncheol Bae, Kuhyeon Kwon, Hyeongjin Jeon, Young Chan Choi, Soohyun Bin, Kyungdong Bae, Hyunuk Kang, Woojin Choi, Youngyun Woo, Youngoo Yang, “8-W 2-Stage GaN Doherty Power Amplifier Module on 7× 7 QFN for the 5G N78 Band,” Electronics, vol. 14, no. 12, pp. 2398, June. 2025.
  • Hyeongjin Jeon, Jaekyung Shin, Woojin Choi, Sooncheol Bae, Kyungdong Bae, Soohyun Bin, Sangyeop Kim, Yunhyung Ju, Minseok Ahn, Gyuhyeon Mun, Keum Cheol Hwang, Kang-Yoon Lee, Youngoo Yang, “Highly Linear 2.6 GHz Band InGaP/GaAs HBT Power Amplifier IC Using a Dynamic Predistorter,” Electronics, vol. 14, no. 11, pp. 2300, June. 2025.
  • Yifei Chen, Woojin Choi, Jaekyung Shin, Hyeongjin Jeon, Sooncheol Bae, Kyungdong Bae, Jaeseong Song, Yunhyung Ju, Hansik Oh, Hyunuk Kang, Youngyun Woo, Kang-Yoon Lee, Keum Cheol Hwang, Youngoo Yang, “Comprehensive Analysis of Coupled Transmission Lines for Broadband High-Efficiency Doherty Power Amplifiers,” IEEE Transactions on Microwave Theory Techniques, vol. 73, no 8, pp. 4937-4953, Aug. 2025.
  • 김도헌, 김상엽, 안민석, 주윤형, 이윤정, 양영구, “그룹 지연 보상 회로를 적용한 3.1~4.1 GHz 고효율 도허티 전력 증폭기 설계,” 한국전자파학회지, vol. 36, no. 7, pp. 639-647, July. 2025.
  • Y. Chen, W. Choi, J. Shin, H. Jeon, S. Bae, S. Bin, Y. C. Choi, H. Oh, H. Kang, K.-Y. Lee, K. C. Hwang, and Y. Yang, “Simplified All-in-One Load Network of the Broadband Doherty Power Amplifier,” IEEE Transactions on Microwave Theory Techniques, vol. 73, no. 2, pp. 953 - 964, Feb. 2025.
  • 이호연, 최길웅, 임평순, 양영구, “AESA 레이다용 송수신모듈 송수신 동시 운용 성능 측정,” 한국전자파학회지, 제35권 11호, pp. 943 - 950, Nov. 2024.
  • 송재성, 배순철, 빈수현, 양영구, “비대칭 소자와 Out-Phased Current Combining 방식을 사용한 광대역 도허티 전력증폭기 설계,” 한국전자파학회지, 제35권 11호, pp. 868 - 879, Nov. 2024.
  • 유은주, 진일비, 배순철, 빈수현, 이윤정, 주윤형, 양영구, “간략화된 출력 네트워크와 종합적인 출력 Back-off 확장 기술을 적용한 1~2 GHz 도허티 전력증폭기,” 한국전자파학회지, 제35권 10호, pp. 816 - 827, Oct. 2024.
  • 이명하, 강현욱, 송재성, 양영구, “위상 제어 네트워크를 이용한 3.3~4.3 GHz 광대역 비대칭 도허티 전력증폭기,” 한국전자파학회지, 제35권 8호, pp. 613 - 621, Aug. 2024.
  • 박정민, 김도헌, 유은주, 양영구, “대역통과 필터와 위상 보상 네트워크를 이용한 3.1~3.7 GHz 도허티 전력증폭기,” 한국전자파학회지, 제35권 7호, pp. 529 - 537, July. 2024.
  • Joonho Yoon, Sooncheol Bae, Soohyun Bin, Young Chan Choi, Kyungdong Bae, Hyunuk Kang, Woojin Choi, Youngoo Yang, “Low-Power Doherty Power Amplifier Design for Sub-6 GHz 5G NR Applications,” Electronics, vol. 13, no. 5, pp. 1022, Mar. 2024.
  • 강현욱, 양영구, “도허티 전력증폭기의 광대역화를 위한 최적화된 매칭 네트워크 설계,” 한국전자파학회논문지, 제35권 4호, pp. 310-319, Apr. 2024.
  • Gyuhyeon Mun, Woojin Choi, Jaekyung Shin, Hyeongjin Jeon, Sooncheol Bae, Soohyun Bin, Kyungdong Bae, Young Chan Choi, Youngoo Yang, “Analysis of Asymmetrical Doherty Power Amplifier Performance under Load Mismatch Conditions,” IEEE Microwave and Wireless Components Letters, vol. 34, no. 2, pp. 123-126, Feb. 2024.
  • 김상엽, 주윤형, 안민석, 김도헌, 이윤정, 양영구, “고효율 도허티 전력증폭기를 위한 동적 바이어스 회로 연구,” 한국전자파학회지, 제34권 12호, pp. 1002-1010, Dec. 2023.
  • S. Bae, H. Oh, W. Choi, J. Shin, Y. Chen, H. Jeon, Y. Choi, S. Nam, S. Bin, Y. Lee, K.-Y. Lee, K. C. Hwang, and Y. Yang, “60 W Class-E/F3 Switching Power Amplifier With an Improved Second Harmonic Distortion of −49 dBc,” IEEE Access, vol. 12, pp. 41980-41987, Feb. 2024.
  • 김성형, 진일비, 양영구, “Ku 대역 위성통신용 5 W GaN MMIC 전력증폭기,” 한국전자파학회지, 제34권 11호, pp. 785 - 790, Nov. 2023.
  • 최재혁, 진일비, 김성형, 송재성, 이윤정, 임서균, 양영구, “Out-Phased Current Combining 방식과 Complex Combining Load 방식을 이용한 3.7~4.0 GHz 대역 GaN-HEMT Doherty 전력증폭기,” 한국전자파학회지, 제34권 11호, pp. 791 - 798, Nov. 2023.
  • H. Oh, W. Choi, J. Shin, Y. Chen, H. Kang, Y. Y. Woo, K.-Y. Lee, K. C. Hwang, and Y. Yang, “A Multimode GaN Doherty Power Amplifier MMIC with N-scalable Amplifiers for Selective Back-Off Power Level,” IEEE Transactions on Microwave Theory Techniques, vol. 72, no. 1, pp. 550 - 562, Jan. 2024.
  • W. Choi, J. Shin, Y. Chen, H. Jeon, Y. C. Choi, S. Bae, Y. Y. Woo, H. Kang, Y. Yang, “Two-Stage Doherty Power Amplifier Using Broadband Interstage Matching Network,” IEEE Microwave and Wireless Technology Letters, vol. 33, no. 10, pp. 1454-1457, Oct. 2023.
  • J. Shin, W. Choi, Y. Chen, H. Jeon, S. Bae, Y. C. Choi, H. Kang, H. Koo, Y. Y. Woo, K.-Y. Lee, K. C. Hwang, and Y. Yang, “Broadband Virtual-Stub Doherty Power Amplifier Using Asymmetric Structure,” IEEE Access, vol. 11, pp. 101425-101434, Sep. 2023.
  • 남선우, 오한식, 배순철, 빈수현, 이윤정, 양영구, “2차 고조파가 저감된 Class-E/F3 전력증폭기 기반 무선전력전송 시스템,” 한국전자파학회지, 제34권 7호, pp. 514 - 524, July. 2023.
  • Sagini E. Mochumbe, Y. Yang, “Design of a Load Modulated Balanced Amplifier with a Two-Stage Control Power Amplifier,” Journal of Electromagnetic Engineering and Science, vol. 23, no. 3, pp. 294-301, May. 2023.
  • 박종진, 임원섭, 양영구, “전압체배기 구조를 이용한 5.8 GHz GaN HEMT F급 정류기,” 한국전자파학회지, 제34권 5호, pp. 354-362, May. 2023.
  • Y. Chen, W. Choi, J. Shin, H. Jeon, S. Bae, S. Bin, S. Nam, Y. C. Choi, H. Kang, K.-Y. Lee, K. C. Hwang, and Y. Yang, “New Compact Load Network for Doherty Power Amplifiers Based on L-Section Matching Network of the Carrier Amplifier and Post-Matching Network,” IEEE Access, vol. 11, pp.66478-66487, June. 2023.
  • H. Oh, J. Shin, H. Jeon, Y. Woo, K. Hwang, K. Lee, and Y. Yang, “Broadband InGaP/GaAs HBT Doherty Power Amplifier IC Using Direct Interstage Power Division for Compact 5G NR Handset Module,” IEEE Access, vol. 11, pp. 25879-25892, Mar. 2023.
수상 Honors / Awards
  • Outstanding Achievements Award, Student High-Efficiency Power Amplifier Design Competition, 2006 IEEE MTT-S Int. Microwave Symposium. (adviser)
  • Honorable Mentions Award, Student Paper Competition, 2002 IEEE MTT-S Int. Microwave Symposium