Hold circuit
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United States of America Patent
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-
Apr 18, 1995
Grant Date -
N/A
app pub date -
Nov 24, 1993
filing date -
Nov 25, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A hold circuit has a purpose to provide a hold circuit capable of controlling a hold error of an analog hold in the minimum during transferring. A hold circuit keeps a voltage signal, whose voltage level is compensated by operational amplifiers Amp.sub.1 and Amp.sub.2, at capacitances C.sub.1 and C.sub.2 by two steps, and holding and transferring of voltage data is performed at the different timing. The accuracy is compensated, as well.
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