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학술지 X-band 8 × 8 Phased-array 4-channel FMCW Receiver in 65 nm CMOS Technology
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저자
한선호, 김기수, 구본태
발행일
202203
출처
Electronics Letters, v.58 no.6, pp.228-230
ISSN
0013-5194
출판사
IET
DOI
https://dx.doi.org/10.1049/ell2.12413
협약과제
21HS3700, 경량 RISC-V 기반 초저전력 인텔리전트 엣지 지능형반도체 기술 개발, 구본태
초록
Optimized two radar RFICs for an X-band 8혻×혻8 phased-array 4-channel frequency-modulated continuous-wave receiver is proposed using 65-nm CMOS technology and the beam steering operation of the receiver module is demonstrated. The 8혻×혻8 phased-array receiver module is constructed using 16 2혻×혻2 phased-array receivers and a 4-channel receiver for implementation of monopulse radar. The array size is scalable with the proposed two chips solution. The 2혻×혻2 phased-array receiver has novel vector-sum phase-shifter with 7-bit resolution in low supply voltage. The measured result of the phase shifter shows 7-bit phase states with a 0.37째 RMS phase error and a 2.17혻dB gain error over 360째 sweep.
KSP 제안 키워드
65nm CMOS, Array size, CMOS Technology, Frequency-Modulated Continuous Wave(FMCW), Low Supply Voltage, Monopulse radar, Phase Shifter, Receiver module, Vector sum, array receivers, beam steering
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