Volentine, Whitt & Francos, PLLC
Switched capacitor circuit to make amount of change in reference voltage even regardless of input level
A switched capacitor circuit includes a first main sampler circuit, a second main sampler circuit, a first replica sampler circuit, and a second replica sampler circuit. The first main sampler circuit samples a first input of a differential input, and generates a first output corresponding to the sampled first input based on a first reference voltage. The second main sampler circuit samples a second input of the differential input, and generates a second output corresponding to the sampled second input based on a second reference voltage. The first replica sampler circuit receives the first input, and holds the received first input based on the second reference voltage. The second replica sampler circuit receives the second input, and holds the received second input based on the first reference voltage.
Samsung Electronics Co., Ltd.
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Seunghoon Yong-Woo Eun Seok Sun-Jae
Lee Kim Shin Park