Low RCS RF switch and phase shifter using such a switch

Details Low RCS RF switch and phase shifter using such a switch Low RCS RF switch and phase shifter using such a switch

1983-12-19

1985-05-07

Nussbaum, Marvin L.

Wave transmission lines and networks

Coupling networks

Delay lines including long line elements

333105, 333156, 333262, H01P 118, H01P 110, H01P 112

Patent

active

045160910

ABSTRACT:
A low RCS RF switch fabricated in microstrip utilizes bridge conductors carried on a second substrate to perform the coupling and uncoupling function. The second substrate is moveably affixed to the first substrate on which the primary RF transmission line is carried by means of a hinge spring. The switch is actuated by means by a pneumatic bladder coupled to a pneumatic control line. A three bit phase shifter utilizing such a switch is disclosed which is suitable for use in certain phased array antennas.

REFERENCES:
patent: 2773242 (1956-12-01), Grieg
patent: 3058107 (1962-10-01), Danielson
patent: 3276018 (1966-09-01), Butler
patent: 3307188 (1967-02-01), Marchetti et al.
patent: 3796976 (1974-03-01), Heng et al.
patent: 3803621 (1974-04-01), Britt
patent: 3997743 (1976-12-01), Hock et al.
patent: 4123759 (1978-10-01), Hines et al.
patent: 4359740 (1982-11-01), Frazita
patent: 4360816 (1982-11-01), Corzine
patent: 4468532 (1984-08-01), Clark et al.

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