Waveguide to microstrip conversion means in a satellite broadcas

Details Waveguide to microstrip conversion means in a satellite broadcas Waveguide to microstrip conversion means in a satellite broadcas

1993-01-21

1994-12-20

Lee, Benny T.

Communications: radio wave antennas

Antennas

With polarization filter or converter

343786, 333 21A, 333 26, 333125, H01P 1161, H01P 5107, H01Q 1306, H01Q 1524

Patent

active

053749383

ABSTRACT:
A waveguide to microstrip converter allowing size reduction as well as providing good cross polar discrimination and input VSWR characteristic. The waveguide to microstrip converter includes a structure of an orthogonal transducer formed of a circular waveguide and a rectangular waveguide integrally formed with and orthogonal to the circular waveguide. A first probe and a second probe are respectively coupled to the circular waveguide and rectangular waveguide. An output terminal of the first probe and an output terminal of the second probe are formed on the same plane and connected to respective microstrip lines.

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Integrated Input Circuit For Satellite Converter, Modelski et al., Sep. 1989, pp. 543-548.
Polarized Multiplexer, Patent Abstracts of Japan, vol. 10, No. 283, Sep. 1986.
Strip Line-Waveguide Converter, Patent Abstracts of Japan, vol. 11, No. 46, Feb. 1987.
"Microwave Circuit" published by Omu Sha on Mar. 10, 1984. pp. 194-208 and p. 330.

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