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Low-area Duty Cycle Correction Circuit for Voltage-Controlled Ring Oscillator

  • Journal of Software Assessment and Valuation
  • Abbr : JSAV
  • 2019, 15(1), pp.103-107
  • DOI : 10.29056/jsav.2019.06.12
  • Publisher : Korea Software Assessment and Valuation Society
  • Research Area : Engineering > Computer Science
  • Received : June 2, 2019
  • Accepted : June 20, 2019
  • Published : June 30, 2019

YU BYEONGJAE 1 HYUNMOOK CHO 2

1주식회사 아라레연구소
2공주대학교

Candidate

ABSTRACT

Recently, many technologies have been developed to realize low power high speed digital data communication and one of them is related to duty cycle correction. In this paper, a low-area duty cycle correction circuit for a voltage-controlled ring generator is proposed. The duty cycle correction circuit is a circuit that corrects the duty cycle using a 180 degree phase difference of a voltage controlled ring oscillator. The proposed low-area duty cycle circuit changes a conventional flip-flop to a true single phase clocking (TSPC) flip-flop And a low-area high-performance circuit is realized. By using TSPC flip-flop instead of general flip-flop, it is possible to realize low-area circuit compared to existing circuit, and it is expected to be used for high-performance circuit for low-power because it is easy to operate at high speed.

Citation status

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