Intermodulation controller for radio receiver
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United States of America Patent
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-
Jun 22, 1993
Grant Date -
N/A
app pub date -
Aug 5, 1991
filing date -
Aug 5, 1991
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The radio receiver of the present invention detects the presence of intermodulation distortion interference above an objectionable level and shifts a tunable RF passband in a manner to reduce or eliminate the intermodulation distortion interference without reducing the level of the desired signal to below a predetermined level. Intermodulation is detected based on a comparison of signal strength in upper and lower adjacent passbands which have substantially equal levels if intermodulation is present.
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