Electrically controlled phase shifter
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United States of America Patent
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-
Mar 11, 1986
Grant Date -
N/A
app pub date -
Jun 18, 1984
filing date -
Jun 18, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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