Digital-to-analog converter employing a common trigger and reference signal
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United States of America Patent
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Oct 3, 1995
Grant Date -
N/A
app pub date -
Nov 19, 1993
filing date -
Nov 20, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The D/A converter comprises: a digital counter receiving a reference clock pluses and a reference voltage as a start signal so as to output a stop signal when the digital counter counts the reference clock pulses until a predetermined number; and a number is reached, and an RC circuit having a resister and a capacitor receiving the reference voltage so as to be charged by a predetermined time constant until the stop signal is inputted to the RC circuit, whereby the RC circuit is charged up to a voltage corresponding to a time distance between the start signal and the stop signal.
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