Adjustable coaxial line-to-microstrip line transition

Details Adjustable coaxial line-to-microstrip line transition Adjustable coaxial line-to-microstrip line transition

1978-01-05

1980-01-29

Gensler, Paul L.

Wave transmission lines and networks

Coupling networks

With impedance matching

333238, H01P 508

Patent

active

041863585

ABSTRACT:
A transition device for connecting a coaxial cable to an integrated microwave circuit (MIC) composed of planar lines disposed on a substrate, the device being composed of a coaxial connector having a protruding inner conductor, a tuning screw disposed to form a variable capacitor with the protruding conductor of the coaxial connector and arranged to be adjusted to control the electrical parameters of the device, an intermediate dielectric carrier carrying a planar intermediate line connected to the inner conductor of the connector, the intermediate carrier forming a fixed unit with the coaxial connector and being disposed between the connector and the (MIC) substrate, a housing supporting the fixed unit and the substrate, and two metal bands connecting together the planar intermediate line and the planar line of the microwave circuit and the bottom metallization.

REFERENCES:
patent: 3201721 (1965-08-01), Voelcker
patent: 3622915 (1971-11-01), Davo
England, A Coaxial to Microstrip Transition, IEEE Trans. on MTT, Jan. 1976, pp. 47, 48.

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