Digital diode phase shifter elements

Details Digital diode phase shifter elements Digital diode phase shifter elements

1980-02-13

1981-06-23

Nussbaum, Marvin L.

Wave transmission lines and networks

Coupling networks

Delay lines including long line elements

333161, 333246, H01P 1185, H01P 308

Patent

active

042753678

ABSTRACT:
A high frequency diode digital phase shifter element of the transmission line type has a capacitor coupled serially in a primary transmission line conductor. Two shunt switchable elements are coupled by the series capacitor. The switchable element includes short-circuitable lengths of transmission line whose effective electrical lengths can be varied by simultaneously changing the biased state of shunt mounted PIN diodes.

REFERENCES:
patent: 3246265 (1966-04-01), Smith-Vaniz
patent: 3909751 (1975-09-01), Tang et al.

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