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학술지 A 3.8-GHz Highly Linear LC-VCO without a Varactor Device
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저자
이희동, 정재호, 이광천
발행일
201303
출처
IEICE Electronics Express, v.10 no.5, pp.1-6
ISSN
1349-2543
출판사
IEICE
DOI
https://dx.doi.org/10.1587/elex.10.20130038
협약과제
12VI1700, 차세대 이동통신 서비스를 위한 다양한 셀구축 환경에 적용이 가능한 초소형 RF 단위모듈 기반 다중대역(Multi-Band) 다중모드(Multi-RAT) 기지국용 RU(Radio Unit)개발, 이광천
초록
A LC-VCO topology without a varactor device has been proposed. The oscillator includes a variable capacitance block for a frequency tuning. The block consists of two transistors and two capacitors. The LC-VCO has been fabricated in a 130-nm CMOS technology. The measured results show operation frequencies of 3.73 GHz to 3.94 GHz and a phase noise of -119.1 dBc/Hz at 1-MHz offset frequency. Power consumption is 5.9mA from a 1.2V supply. © IEICE 2013.
KSP 제안 키워드
73 GHz, 94 GHz, CMOS Technology, Frequency tuning, Highly linear, LC voltage controlled oscillator(LC-VCO), Power Consumption, Variable capacitance, phase noise