Semiconductor integrated circuit device
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Jan 23, 2001
Grant Date -
N/A
app pub date -
Sep 23, 1999
filing date -
Oct 28, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The present invention provides a peak and bottom detecting circuit including a current source for charging or discharging the capacitor, a switch for connecting the current source to the capacitor, a comparator for comparing a potential of a connection node between the switch and the capacitor, and a potential of an input signal with each other, and for turning the switch on/off in accordance with the result of the comparison, a buffer for buffering the potential of the connection node between the switch and the capacitor, and outputting an output signal, and a damper for comparing the potential of the output signal and the potential of the input signal and reducing the current allowed to flow from the current source as the potential difference becomes smaller.
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