한국전자파학회논문지 (The Journal of Korean Institute of Electromagnetic Engineering and Science)

  • 제23권11호
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  • Pages.1297-1306
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  • 2012
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  • 1226-3133(pISSN)
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  • 2288-226X(eISSN)
한국전자파학회 (The Korean Institute of Electromagnetic Engineering and Science)
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13 GHz CMOS 주파수 합성기와 체배기를 이용한 77 GHz 레이더 송신기 설계

Design of 77 GHz Radar Transmitter Using 13 GHz CMOS Frequency Synthesizer and Multiplier

  • 송의종 (성균관대학교 정보통신대학) ;
  • 강현상 (성균관대학교 정보통신대학) ;
  • 최규진 (삼성전기) ;
  • ;
  • 김성균 (성균관대학교 정보통신대학) ;
  • 김병성 (성균관대학교 정보통신대학)
  • Song, Ui-Jong (College of Information and Communication Engineering, Sungkyunkwan University) ;
  • Kang, Hyun-Sang (College of Information and Communication Engineering, Sungkyunkwan University) ;
  • Choi, Kyu-Jin (SAMSUNG Electro-Mechanics) ;
  • Cui, Chenglin (College of Information and Communication Engineering, Sungkyunkwan University) ;
  • Kim, Seong-Kyun (College of Information and Communication Engineering, Sungkyunkwan University) ;
  • Kim, Byung-Sung (College of Information and Communication Engineering, Sungkyunkwan University)
  • 투고 : 2012.07.19
  • 심사 : 2012.10.08
  • 발행 : 2012.11.30
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초록

본 논문에서는 77 GHz 차량용 레이더 시스템에 필요한 레이더 송신기를 설계하였다. 130 nm RF CMOS 공정을 이용하여 설계한 13 GHz 주파수 합성기로 6 체배기를 내장한 상용의 화합물 전력 증폭기를 구동하여 77 GHz 송신 신호를 발생시켰다. 13 GHz 주파수 합성기는 6 체배용 전력 증폭기를 구동하기 위해 4 dBm 출력을 내는 주입 잠금 버퍼를 내장하고 있다. 제작한 77 GHz 레이더 송신기 모듈은 주파수 조정 범위 내에서 출력 전력이 최소 13.99 dBm이고, 중심 주파수 대비 기준 스퍼의 크기는 -36.45 dBc이다. 또한, 76.5 GHz 중심 주파수의 1 MHz 오프셋에서 -81 dBc/Hz의 위상 잡음 특성을 보인다.

This work presents a 77 GHz radar transmitter for the automotive radar system. An integrated 13 GHz frequency synthesizer fabricated using 130 nm RF CMOS process drives a commercial W-band compound semiconductor monolithic multifunction amplifier(MPA), which includes a frequency multiplier by six to generate 77 GHz transmitting signal. The 13 GHz frequency synthesizer includes a high efficiency injection buffer of 4 dBm output power to drive the MPA. The output power of 77 GHz radar transmitter is higher than 13.99 dBm and the magnitude of the reference spur relative to the carrier is -36.45 dBc. The phase noise is -81 dBc/Hz at 1 MHz offset frequency from the carrier.

키워드

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