Receiver tuning circuit

Details Receiver tuning circuit Receiver tuning circuit

1976-09-24

1978-02-14

Chatmon, Jr., Saxfield

Tuners

Tuner unit directly responsive to voltage and/or current...

Reactance tuning

334 11, 334 14, 325458, 325465, H03H 512, H03J 306, H03J 504

Patent

active

040742164

ABSTRACT:
A receiver tuning circuit in which without operation of extra switches a change-over can be made from tuning by means of a continuously varying tuning voltage to tuning by means of one of a number of adjusted tuning voltages by using a capacitor controlled by an automatic tuning correction current source circuit for obtaining said voltage, and an automatic switch for applying the desired tuning voltages to this capacitor.

REFERENCES:
patent: 3588706 (1971-06-01), Sakai et al.
patent: 3824474 (1974-07-01), Sakamoto
patent: 3893049 (1975-07-01), Bray
patent: 3980968 (1976-09-01), Ma
patent: 3996540 (1976-12-01), Yamada et al.

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