Variable resonance type amplitude equalizing circuit

Details Variable resonance type amplitude equalizing circuit Variable resonance type amplitude equalizing circuit

1979-04-04

1981-02-17

Gensler, Paul L.

Wave transmission lines and networks

Coupling networks

Equalizers

333223, H03H 703

Patent

active

042517834

ABSTRACT:
A variable resistance device in the form of a PIN diode is connected between one of a pair of input terminals and one of a pair of output terminals, and the other input and output terminals are connected to a common terminal.
A distributed constant line is connected between the output terminal of the PIN diode and the common terminal, and variable capacitance diodes are connected between the opposite ends of the distributed constant line and the common terminal. By applying a control voltage applied to the PIN diode and the variable capacitance diodes, the steepness and the center frequency of the variable resistance device are varied.

REFERENCES:
patent: 3204198 (1965-08-01), Bachnick
patent: 3307099 (1967-02-01), Weller et al.
patent: 3356952 (1967-12-01), Sev
Morita, Variable Resonance Type Automatic Equalizer, Inst. of Electr. Commun. (Japan), 61st Anniversary Gen. Meet. Papers, vol. 8, 8-92.

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