Receiver having a phase-locked loop

Details Receiver having a phase-locked loop Receiver having a phase-locked loop

1977-09-16

1979-05-22

Richardson, Robert L.

Demodulators

Amplitude modulation demodulator

Having specific distortion, noise or other interference...

325346, 329122, 325477, H03B 304

Patent

active

041561953

ABSTRACT:
A receiver incorporating a phase-locked loop to demodulate a signal comprising a plurality of distinct baseband components is disclosed. The loop filter circuit includes an adjustable resistive element for varying the loop damping factor, thereby providing optimum separation of the baseband components. In addition, the loop filter circuit provides a bandpass high-frequency noise output to a noise-activated muting circuit.

REFERENCES:
patent: 3421105 (1969-01-01), Taylor
patent: 3854098 (1974-12-10), Takahashi et al.
patent: 3896272 (1975-07-01), Takahashi
patent: 3909735 (1975-09-01), Anderson et al.
patent: 3939425 (1976-02-01), Toyoshima
patent: 4031483 (1977-06-01), Formeister
patent: 4107624 (1978-08-01), Tuner

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