Coaxial-to-waveguide transducer with improved matching

Details Coaxial-to-waveguide transducer with improved matching Coaxial-to-waveguide transducer with improved matching

1991-06-11

1992-09-15

Gensler, Paul

Wave transmission lines and networks

Coupling networks

Balanced to unbalanced circuits

333253, H01P 5103

Patent

active

051481316

ABSTRACT:
An end portion (14a) of a center conductor (14) of a coaxial cable (16) protrudes transversely into a tubular waveguide (10) near an end thereof. A piston (22) having a stepped inner wall (24) closes the end of the waveguide (10). The inner wall (24) is formed with two or more steps (24a,24b,24c) which protrude axially into the waveguide (10) by different distances (L1,L2,L3), reducing the return loss and extending the bandwidth of the coaxial cable-to-waveguide transition.

REFERENCES:
patent: 2588103 (1952-03-01), Fox
patent: 2829352 (1958-04-01), Hennies et al.
patent: 3478282 (1969-11-01), Smith
patent: 4139828 (1979-02-01), Commault et al.
patent: 4740764 (1988-04-01), Gerlack
patent: 5004990 (1991-04-01), Bergero et al.

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