Variable-capacitance tuning circuit for high-frequency signals

Details Variable-capacitance tuning circuit for high-frequency signals Variable-capacitance tuning circuit for high-frequency signals

1985-08-07

1987-06-23

Gensler, Paul

Tuners

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

Reactance tuning

455195, H03J 318

Patent

active

046756345

ABSTRACT:
In a variable capacitance tuning circuit for high-frequency signals, a first varactor diode is connected between either the receiving end or feeding end and ground, one end of a tuning coil is connected to the receiving end or feeding end, and a second varactor diode is connected between the other end of the tuning coil and ground.

REFERENCES:
patent: 3624514 (1971-11-01), Putzer
patent: 3662287 (1972-05-01), Egbert et al.
patent: 3753172 (1973-08-01), Sakamoto
patent: 3889210 (1975-06-01), Matsuura et al.
Jelesiewicz, Parallel Varactor Diode Frequency Multiplier, RCA Technical Notes, RCA TN No. 650, Nov. 1965.

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