Suspended dielectric and microstrip type microwave phase shifter

Details Suspended dielectric and microstrip type microwave phase shifter Suspended dielectric and microstrip type microwave phase shifter

1987-07-10

1996-04-02

Blum, Theodore M.

Wave transmission lines and networks

Coupling networks

Delay lines including long line elements

342372, 343700MSFile, H01P 118, H01P 300, H01P 900

Patent

active

055044662

ABSTRACT:
A microwave phase shifter comprises superposed conductor and dielectric plates, and a conductor strip carried by the dielectric plate. It comprises means, such as a piezoelectric biplate, for moving one of the plates in relation to the other thereby modifying the thickness of an air gap between the plates and consequently, modifying the phase constant of the phase shifter. The phase shifter can comprise at least one microstrip type impedance transformer in order to match to a microwave transmission line. When radiating elements are linked along the conductor strip, the phase shifter forms a lobe scanning network antenna.

REFERENCES:
patent: 4575697 (1986-03-01), Rao et al.
patent: 4587525 (1986-05-01), Parsons
patent: 4623894 (1986-11-01), Lee et al.
patent: 4724443 (1988-02-01), Nysen
patent: 4768001 (1988-08-01), Chan-Son-Lint et al.
Product News, Electronic Specialty Co., May 1964.

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