Digital analog converter
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United States of America Patent
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-
Jun 4, 1991
Grant Date -
N/A
app pub date -
Feb 13, 1990
filing date -
Feb 14, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A PWM digital-to-analog converter is disclosed in which a value representing a differential between a first pulse width modulated waveform based upon input digital data and a second pulse width modulated waveform representing a 2's complement version of the input digital data is produced by a differential amplifier and high frequency components thereof are attenuated to produce an analog output signal and with an improved distortion factor.
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