Title: A sampling device for analog signal
Application Number: 200610162315 Application Date: 2006.12.11
Publication Number: 1964197 Publication Date: 2007.05.16
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: H03M1/12;H03M1/34
Applicant(s) Name: Beijing Vimicro Corporation Address:
Inventor(s) Name: Sun Tao
Attorney & Agent: wangqi wangcheng hua
Abstract:
    The disclosed sampling device for analog signal comprises a sampling hold circuit and an offset circuit to turn on or off transistor in last circuit. Wherein, when turning on the transistor, keeping the potential difference between the control electrode of transistor and the first electrode as constant for high linear sampling; when turning off the transistor, holding the sample signal.
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