Electrically controlled phase shifter

Details Electrically controlled phase shifter Electrically controlled phase shifter

1984-06-18

1986-03-11

Nussbaum, Marvin L.

Wave transmission lines and networks

Coupling networks

Delay lines including long line elements

310331, 333159, 333248, H01P 118

Patent

active

045756970

ABSTRACT:
A microwave phase shifter for use in waveguide transmission line employs a piezoelectric cantilevered bimorph member mounted on the waveguide and a thin wafer of dielectric material mounted on the free end of the cantilever above a slot in the waveguide. Voltages applied to the bimorph member cause this member to distort so as to insert the wafer into the waveguide slot and alter the phase of the microwave signal being transmitted.

REFERENCES:
patent: 2836737 (1958-05-01), Crownover
patent: 4450375 (1984-05-01), Siegal

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