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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국전자파학회JEES Journal of Electromagnetic Engineering And Science Journal of Electromagnetic Engineering And Science Vol.22 No.4
- 발행연도
- 2022.7
- 수록면
- 427 - 433 (7page)
이용수
초록· 키워드
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In this paper, we design a successive approximation register (SAR) analog-to-digital converter (ADC) suitable for multimode radar transceivers. For multimode radars, the sampling rate required by ADC varies according to the continuous wave (CW) or frequency modulated continuous wave (FMCW) used for operation. Therefore, depending on which waveform is used, the input is designed to enter two paths. For path 1, we obtained 9.23 bits of effective number of bits (ENOB), 57.35 dB of signal-to-noise distortion ratio (SNDR), and 64.62 dB of spurious free dynamic range (SFDR), and the power consumption was 0.3481 mW, resulting in a figure-of-merit (FOM) of 28.9 fJ/Conv-Step. On path 2, we obtained an 8.97 bit of ENOB, 55.76 dB of SNDR, and 60.53 dB of SFDR, and the power consumption was 1.72 μW, resulting in a FOM of 34.2 fJ/Conv-Step. Further, a circuit was constructed to reduce the offset of the comparator. As a result of 100 Monte Carlo simulations, the offset was reduced from -46 mV/+50 mV to -4 mV/+4 mV when the worst case was considered.
목차
Abstract
I. INTRODUCTION
II. ARCHITECTURE AND CIRCUIT DESCRIPTION
III. SIMULATION RESULT
IV. CONCLUSION
REFERENCES
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