Television receiver having a demodulator circuit for demodulatin

Details Television receiver having a demodulator circuit for demodulatin Television receiver having a demodulator circuit for demodulatin

1977-11-17

1979-06-26

Richardson, Robert L.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358158, 358195, 358192, H04N 950

Patent

active

041594827

ABSTRACT:
In a television receiver comprising a synchronous demodulator having a push-pull output behind which an emitter-coupled transistor pair is connected for suppressing whiter-than-white noise signals, a signal can be obtained from the collector circuit of one of the transistors of the transistor pair by means of smoothing which smoothed signal is suitable for many purposes such as, for example, switching-off an automatic frequency control or a tuning indication or a tuning correction.

REFERENCES:
patent: 3764925 (1973-10-01), Von Nikelsberg et al.
patent: 3871022 (1975-03-01), Wilcox

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