Low loss tuneable filter

Details Low loss tuneable filter Low loss tuneable filter

1976-05-24

1978-02-21

Gensler, Paul L.

Wave transmission lines and networks

Automatically controlled systems

With control of equalizer and/or delay network

333 82B, 334 45, H03H 710

Patent

active

040755835

ABSTRACT:
A low loss tuneable RF filter including a parallel plate variable capacitor nd a helical resonator within an extension of the resonator shield. The capacitor stator is supported on an insulator above one end of the helix while the rotor is mounted between the walls of the resonator shield. The rotor plates are wider than the stator plates by about 20%.

REFERENCES:
patent: 2272062 (1942-02-01), George
patent: 2723348 (1955-11-01), Dreyer, Jr.
patent: 3247475 (1966-04-01), Buetow et al.

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