Differential phase reduction circuit for a video demodulating sy

Details Differential phase reduction circuit for a video demodulating sy Differential phase reduction circuit for a video demodulating sy

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.

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