Circular to linear polarization converter

Details Circular to linear polarization converter Circular to linear polarization converter

1992-06-02

1994-01-04

Gensler, Paul

Wave transmission lines and networks

Wave mode converters

333 26, 333254, H01P 116, H01P 502

Patent

active

052764109

ABSTRACT:
A converter for converting circularly polarized waves in a round waveguide into linearly polarized waves in a rectangular waveguide has two probes and a transmission line pattern all of which are formed of metal foil on a thin dielectric film board. The board is flexible and extends across the open ends of the two waveguides. The first probe has a square shape and the transmission line has two conductor arms connected to adjacent sides of the square. The other ends of the conductor arms are connected to the second probe with an impedance matching resistor formed on the film board between the two arms. One conductor arm is one-quarter wavelength longer than the other to convert from circularly polarized waveguide transmission to microstrip transmission.

REFERENCES:
patent: 3089103 (1963-05-01), Oliner
patent: 3886498 (1975-05-01), Mosko et al.
patent: 4233579 (1980-11-01), Carlson et al.
patent: 4453142 (1984-06-01), Murphy
patent: 4901040 (1990-02-01), Ahlborn et al.
patent: 5043683 (1991-08-01), Howard
patent: 5148131 (1992-09-01), Amboss et al.
The Abstract appearing in vol. 9, No. 147, published Jun. 21, 1985 from the Japanese Patent Office (Izumi).

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