Transmit/receive isolation assembly for a very small aperture sa

Details Transmit/receive isolation assembly for a very small aperture sa Transmit/receive isolation assembly for a very small aperture sa

1995-03-17

1996-11-26

Gensler, Paul

Wave transmission lines and networks

Plural channel systems

Having branched circuits

333 21A, H01P 123

Patent

active

055789722

ABSTRACT:
An apparatus for coupling a receiver and a transmitter to a single antenna via a feedhorn so as to allow for the simultaneous transmission and reception of signals. The apparatus is an integrally formed single unit which includes a polarizer, a circular waveguide section, a transmitter waveguide section, and a receiver waveguide section. The polarizer has a first, second and third port and is operative to separate and combine a first and second signal which are orthogonally polarized. The circular waveguide section has a first port formed integral with the first port of the polarizer and a second port for coupling to the antenna via a feedhorn. The circular waveguide section is operative for transmitting or receiving the first and second signals. The transmitter waveguide section has a first port formed integral with the second port of the polarizer, and a second port for coupling to the transmitter. The receiver waveguide section has a first port formed integral with the third port of the polarizer, and a second port for coupling to the receiver.

REFERENCES:
patent: 4653568 (1987-03-01), Baldelli
patent: 4920351 (1990-04-01), Bartlett et al.
patent: 5243306 (1993-09-01), Minowa et al.
patent: 5276456 (1994-01-01), Kim
patent: 5291650 (1994-03-01), Carvalho et al.

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