대한전기학회:학술대회논문집 (Proceedings of the KIEE Conference)

대한전기학회 (The Korean Institute of Electrical Engineers)
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HDTV용 카메라의 전류 모드 감마 보정기

A Wide-band wide-tunable Current-Mode Gamma Corrector for HDTV Camera Applications

  • 우성훈 (한국과학기술원 전기 및 전자공학과) ;
  • 황종태 (한국과학기술원 전기 및 전자공학과) ;
  • 조규형 (한국과학기술원 전기 및 전자공학과)
  • Woo, Sung-Hun (Department of Electrical Engineering Korea Advanced Institute of Science and Technology (KAIST)) ;
  • Hwang, Jong-Tae (Department of Electrical Engineering Korea Advanced Institute of Science and Technology (KAIST)) ;
  • Cho, Gyu-Hyeong (Department of Electrical Engineering Korea Advanced Institute of Science and Technology (KAIST))
  • 발행 : 1999.07.19
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초록

A Novel wide-band wide-tunable current-mode (CM) gamma corrector for HDTV camera applications is proposed. The gamma corrector provides accurate gamma control in a wide range by simple electrical adjustment of weighting amplifiers' gain. It has wide signal bandwidth more than 40MHz sufficient for HDTV video signal processing and is implementable with simple integrated circuit with low power dissipation of 125mW.

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