Television signal repeater with improved aural separation

Details Television signal repeater with improved aural separation Television signal repeater with improved aural separation

1991-03-06

1993-08-17

Groody, James J.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358198, 358149, 455 17, 455 20, H04N 562

Patent

active

052374190

ABSTRACT:
An RF repeater for receiving and retransmitting video composite signals, especially wherein the signals of different channels are spectrally adjacent includes discrete aural and visual stages for separating the composite video signal into its components. The aural stage includes a phased locked loop filter while the visual stage may use a SAW filter. After separation and amplification, the two signals are up-converted and combined for retransmission. The visual stage also includes a phase locked loop for synthesizing a local oscillatoar signal and for phase lock detection.

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