Quasi auto-zero circuit for sampling amplifiers
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United States of America Patent
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May 31, 1988
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N/A
app pub date -
Nov 12, 1986
filing date -
Nov 12, 1986
priority date (Note) -
Expired
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Abstract
A sampling amplifier (22) consisting of a series combination of a signal input terminal (12), a first capacitor (C1), a first amplifier (A1), a second capacitor (C2), a second amplifier (A2), and a signal output terminal (VOUT2) is able to sample at a higher frequency by providing a low impedance path between the signal output terminal (VOUT2) and a junction (VOUT1) between the first amplifier (A1) and the second capacitor (C2) to quasi auto-zero the amplifier between samples.
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