FM Video receiver

Details FM Video receiver FM Video receiver

1984-04-20

1986-03-04

Chin, Tommy P.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

3581911, 358197, H04N 544

Patent

active

045743088

ABSTRACT:
An FM video receiver includes a UHF tuner coupled to an intermediate frequency amplifier. The output of the IF amplifier is coupled to a video IF amplifier and detector. The latter component is tuned to the video portion of the FM video composite signal, and hence limits and detects the intelligence carried by that signal. A video inverter and video driver process the signal further and applies an amplitude modulated line level video signal at the receiver's output. An audio IF amplifier and discriminator are coupled to the output of the video IF amplifier and detector. Since the video IF amplifier essentially passes through the audio portion of the FM video composite signal, the audio IF amplifier limits and detects that audio signal. An automatic gain control network and an automatic frequency control network provide feedback to the tuner.

REFERENCES:
patent: 4255810 (1981-03-01), Solomon
patent: 4467360 (1984-08-01), Fosse
patent: 4470071 (1984-09-01), Rindal

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