Demodulators – Amplitude modulation demodulator – Having specific distortion – noise or other interference...
Patent
1988-02-29
1989-08-01
LaRoche, Eugene R.
Demodulators
Amplitude modulation demodulator
Having specific distortion, noise or other interference...
329122, 329134, 329136, 3581951, H03D 318
Patent
active
048536415
ABSTRACT:
In a stereo television video demodulating system comprising an IF filter coupled via a limiter stage to a phase detector of a phase locked loop and further coupled to a video demodulator, a phase reduction circuit for reducing differential phase effects in the television which includes a capacitive circuit coupled between an output of the video demodulator and the multiplier section of the phase detector and a resistive circuit coupled between an output of the video demodulator and the multiplier section.
REFERENCES:
patent: 4731872 (1988-03-01), Washburn, Jr.
Bingham Michael D.
LaRoche Eugene R.
Mis David
Motorola Inc.
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