China Electronic Technology Corporation, 24th Research Institute

Ya-Bo Ni

Ting Li

Yong Zhang

Dong-Bing Fu

Zheng-Bo Huang

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.

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Chongqing, China

Ya-Bo Ni