Broadband microwave polarizer device

Details Broadband microwave polarizer device Broadband microwave polarizer device

1977-04-28

1978-07-11

Smith, Alfred E.

Wave transmission lines and networks

Coupling networks

With impedance matching

333 21A, H01P 165, H01P 900, H01P 118

Patent

active

041005147

ABSTRACT:
A broadband microwave polarizer device for introducing a differential phase shift between orthogonal components of linear orthogonally-polarized signals, the differential phase shift being relatively constant over a wide range of frequencies, for example, a range of frequencies of 5.925GHz to 6.425GHz.
The polarizer device includes a section of waveguide having two opposing rows of pins at inner surface regions thereof, in a first common plane, and two opposing ridges at other inner surface regions thereof in a second common plane transverse to the first plane. By appropriate design of the pins and ridges, a relatively constant resultant phase shift .phi..sub.R may be achieved over the abovementioned bandwidth. The value of .phi..sub.R may be approximated by

REFERENCES:
patent: 2888598 (1959-05-01), Palluel
patent: 3755760 (1973-08-01), Ohm

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