Diode tuned resonator filter

Details Diode tuned resonator filter Diode tuned resonator filter

1994-09-09

1997-01-14

Lee, Benny

Wave transmission lines and networks

Coupling networks

Frequency domain filters utilizing only lumped parameters

333180, 333202, 333175, H03H 701

Patent

active

055943950

ABSTRACT:
A transmission line resonator is disclosed which has a resonance frequency that is electrically controllable by control voltage. A reactive circuit is coupled in parallel between two coupling points on the transmission line resonator. The reactive value of the reactive circuit is changed by the control voltage. The reactive circuit can be inductive or capacitive. The control voltage can switch the reactive circuit in parallel with a part of the transmission line resonator between the coupling points, or can control the capacitance value of a capacitance diode disposed in parallel with a part of the transmission line resonator between the coupling points.

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European Search Report, EP 94 30 6651, Oct. 12, 1995.

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