Microwave circuit and method of manufacturing microwave circuit

Details Microwave circuit and method of manufacturing microwave circuit Microwave circuit and method of manufacturing microwave circuit

1998-12-24

2000-08-15

Gensler, Paul

Amplifiers

Signal feedback

Variable impedance in feedback path varied by separate...

333104, 333111, 333116, 333 81A, 333262, H03F 136, H01P 110, H01P 122

Patent

active

061042404

ABSTRACT:
A microwave circuit having a coupler with two microstrip conductors on a front surface of a substrate, parallel to each other, and electromagnetically coupled to each other with a coupling coefficient wherein the substrate has a rear surface on which a grounding conductor is formed. A floating conductor is interposed between the microstrip conductors. A first terminal of a switching device is connected to one end of the floating conductor while a second terminal of the switching device is grounded. By selectively turning on and off the switching device, the coupling coefficient is changed.

REFERENCES:
patent: 3512110 (1970-05-01), Clar
patent: 5298873 (1994-03-01), Ala-Kojola

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