公开(公告)号：US11271579B2

公开(公告)日：2022-03-08

申请号：US16333189

申请日：2018-03-01

申请人： CHINA ELECTRONIC TECHNOLOGY CORPORATION, 24TH RESEARCH INSTITUTE

发明人： Yong Zhang ,  Ting Li ,  Zheng-Bo Huang ,  Ya-Bo Ni ,  Dong-Bing Fu

IPC分类号： H03M1/12 ,  H03M1/16 ,  H03M1/34

摘要： The present invention provides a comparator circuit applicable to a high-speed pipeline ADC. The comparator circuit includes a switch capacitor circuit, a pre-amplification circuit, and a latch circuit. The pre-amplification circuit includes a pre-amplifier, a resistance-adjustable device, two switches. The latch circuit includes a differential static latch, a first capacitor, a second capacitor, and a third switch. The transmission rates of a sampling phase and a setup phase can be increased.