Distortion cancel circuit in FM stereo
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Mar 18, 1986
Grant Date -
N/A
app pub date -
Feb 29, 1984
filing date -
Mar 4, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
There is disclosed a distortion cancel circuit in FM stereo receiver, which circuit synthesizes a canceling signal mainly including the distortion component by performing the arithmetic operation for an FM demodulation signal and adjusts the level of this synthesized canceling signal and thereafter subtractively combining it with the FM demodulation signal. This circuit enables the elimination of harmonic distortion which appears in the stereo MPX signal output due to the band characteristic of an intermediate frequency amplifier.
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