Switched-capacitor circuit having a full-wave-rectifying and integrating function
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United States of America Patent
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-
Aug 25, 1992
Grant Date -
N/A
app pub date -
Oct 12, 1990
filing date -
Oct 16, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A switched-capacitor circuit is described, which performs the functions of a full-wave rectifier and of an integrator and has a single operational amplifier and a comparator. The circuit is insensitive to the stray capacitances and offsets of the comparator and the operational amplifier. In particular, the input signal is sampled during only one phase of the clock which pilots the operation of the switched-capacitance network.
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