Variable phase shifter using an array of varactor diodes for uni

Details Variable phase shifter using an array of varactor diodes for uni Variable phase shifter using an array of varactor diodes for uni

1996-07-11

1998-06-02

Pascal, Robert

Wave transmission lines and networks

Coupling networks

Delay lines including long line elements

333161, H01P 1185, H01P 900

Patent

active

057606617

ABSTRACT:
A phase shifter includes a transmission line and a plurality of varactor diodes connected in parallel to the transmission line. The varactor diodes have a high enough density that they uniformly load the transmission line. By controlling the reverse biasing of the varactor diodes, the phase shift produced by the phase shifter can be controlled.

REFERENCES:
patent: 3803621 (1974-04-01), Britt
patent: 4604591 (1986-08-01), Vasile
patent: 5083100 (1992-01-01), Hawkins et al.
patent: 5302922 (1994-04-01), Heidemann et al.
patent: 5352994 (1994-10-01), Black et al.
"Microwave Diode Control Devices" by Robert V. Garver, Chapter 10, pp. 235-280, 1976 No month.
"A 94 GHz MMIC Tripler Using Anti-Parallel Diode Arrays for Idler Separation" by Marvin Cohn et al., 1994 International Microwave Symposium Digest, vol. 2, pp. 763-766 No month.

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