Fm receiver

Details Fm receiver Fm receiver

H - Electricity

04

B

329/18, 325/88

H04B 1/16 (2006.01) H03D 3/24 (2006.01) H03G 11/06 (2006.01)

Patent

CA 1282120

IMPROVED FM RECEIVER ABSTRACT An improved FM receiver is disclosed incor- porating improved oscillating limiter circuitry having an electrically tunable bandpass filter and variable attenuator in regenerative feedback relationship around the limiter. The electrically tunable bandpass filter is responsive to DC components and high fre- quency noise components of the demodulated video baseband signal. The variable attenuator is respon- sive to the carrier-to-noise ratio of the received FM signal whereby the amount of regenerative feedback around the limiter will vary inversely proportional to changes in the carrier-to-noise ratio.

505466

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