Television receiver having an automatic radiofrequency resonant

Details Television receiver having an automatic radiofrequency resonant Television receiver having an automatic radiofrequency resonant

1988-03-14

1989-06-27

Safourek, Benedict V.

Telecommunications

Receiver or analog modulated signal frequency converter

Signal selection based on frequency

455182, 455184, 3581951, H04B 1116

Patent

active

048436364

ABSTRACT:
In a television receiver having an automatic adjustment circuit for a radio frequency resonant circuit (3) of the receiver, using two carriers fed to the read frequency input of the receiver, the product of the amplitudes of the two carriers is formed by means of a detection circuit (37) coupled to an output (5) of the radio frequency circuit (3) and the adjustment setting of the resonant circuit is effected to a maximum value of this product (at 77), thus providing a simple, correct adjustment.

REFERENCES:
patent: 4141092 (1979-02-01), Orii
patent: 4339829 (1982-07-01), Dimon

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