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A PLL with an unipolar charge pump and a loop filter consisting of sample-hold capacitor and 2nd-order RC filter
2차-RC 필터와 Sample-Hold 커패시터로 구성된 루프 필터와 단방향 전하펌프를 가진 PLL
2013
The Journal of the Korean Institute of Information and Communication Engineering
2차-RC 필터와 Sample-Hold 커패시터로 구성된 루프 필터와 단방향 전하펌프를 가진 PLL
Preserved Fulltext
A PLL with an unipolar charge pump and a loop filter consisting of sample-hold capacitor and 2nd-order RC filter has been proposed. The goal of the proposed PLL is the suppression of reference spur which is caused by charge pump mismatch. It also improves phase noise characteristic. It has been designed with a 1.8V 0.18㎛ CMOS process and proved by HSPICE simulation. 키워드 : 중위상 고정루프, Sample-Hold 커패시터, 단방향 전하펌프
doi:10.6109/jkiice.2013.17.10.2380
fatcat:lks25bus4zcrjbcfjxktnjh5y4