Broadband high power bias circuit

Details Broadband high power bias circuit Broadband high power bias circuit

1978-05-08

1980-01-22

Gensler, Paul L.

Wave transmission lines and networks

Long line elements and components

Switch

333104, 333116, H01P 115

Patent

active

041852583

ABSTRACT:
A circuit for controlling the switching of a high-power diode microwave switch with a relatively low-power diode switching circuit by utilizing a high-power quadrature hybrid coupler in the switch with the switch input and diode switching element being connected to one leg of the coupler, the output of the switch being connected to a second leg of the coupler, the third and fourth legs of the coupler being capacitively grounded to provide an a-c short at RF frequencies and thereby reflect microwave energy back into the switch, and a switch control circuit being connected to the third leg of the coupler. The coupler divides the power input to the switch so only a portion thereof is incident on the diode switch control circuit, and thus provides isolation between the control circuit and the switch input and output.

REFERENCES:
patent: 3571765 (1971-03-01), Friedman
patent: 3611199 (1971-10-01), Safran
patent: 4016516 (1977-04-01), Sauter et al.

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