To converter time information to digital information Time-to-Digital Converter(TDC) is designed by using analog delay elements. To obtain the temperature stable characteristics the circuit is designed and the operation of the designed circuit is confirmed by HSPICE. The characteristics variation of the designed delay element with temperature is from -0.18% to 0.126% compared to room temperature characteristics when the temperature is varied from -20℃ tp 70℃. Time difference is from -0.18% to

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... 2% compared to room temperature characteristic when the temperature is varied from -20℃ tp 70℃. The time difference is simulated when the digital output is 15. However the time difference is from -1.09% to 1.28% in the TDC using temperature non-stable analog delay elements. 키워드 신호변환, 시간-디지털 변환기, 지연 소자, 온도특성