FM Stereo signal demodulator

Details FM Stereo signal demodulator FM Stereo signal demodulator

1979-11-19

1984-08-14

Olms, Douglas W.

Electrical audio signal processing systems and devices

Binaural and stereophonic

Broadcast or multiplex stereo

381 10, H04S 100

Patent

active

044661150

ABSTRACT:
An FM stereo signal demodulator for separating a composite stereo signal into left and right signals is disclosed wherein the amplitude of the 38 kHz signal necessary to separate the composite signal is varied in accordance with the field strength of a received signal.

REFERENCES:
patent: 3617641 (1971-11-01), Fiet
patent: 3634626 (1972-01-01), Staley
patent: 3711652 (1973-01-01), Metro
patent: 3752934 (1973-08-01), Nakamura et al.
patent: 3825697 (1974-07-01), Cornell et al.
patent: 4032717 (1977-06-01), Mallon
patent: 4146747 (1979-03-01), Numata et al.
patent: 4194087 (1980-03-01), Sakaida

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