Variable tuning device

Details Variable tuning device Variable tuning device

1981-12-04

1984-07-17

Gensler, Paul L.

Wave transmission lines and networks

Coupling networks

Frequency domain filters utilizing only lumped parameters

333 11, 333109, 333176, 333205, 333223, H03H 701, H01P 120, H01P 1217

Patent

active

044608799

ABSTRACT:
An input signal is supplied to a first port of a non-reversible circuit and those frequency components of the input signal applied to a second port of the non-reversible circuit which differ from the resonance frequency of a resonance element connected to the second port are absorbed by a resistive terminating element connected to the second port. On the other hand, a frequency component of the input signal which coincides with the resonance frequency is derived at the third port of the non-reversible circuit. By changing the resonance frequency of the resonance element, the frequency component of the input signal which are provided to the third port can be altered.

REFERENCES:
patent: 3768045 (1973-10-01), Chung
patent: 3781704 (1973-12-01), DeGruyl

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