Resonant microstrip-line circuit

Details Resonant microstrip-line circuit Resonant microstrip-line circuit

1986-05-05

1988-01-12

Nussbaum, Marvin L.

Wave transmission lines and networks

Resonators

Coaxial or shielded

333205, 333246, 333247, 333263, H01P 708, H01P 1203

Patent

active

047194359

ABSTRACT:
The invention relates to a device for the fine adjustment of a resonant microstrip-line formed on an insulating substrate (2), tuned by a varicap diode (7,8) which makes it possible to adjust the shape of the curve representing the tuning frequency of the strip line as a function of the direct voltage controlling the diode. One or more blind holes are provided in the surface of the substrate opposite the strip line, and a base part (15) with one or more threaded holes, into which cylinders are screwed, is fitted under the strip line. The cylinders are placed facing the blind holes and are aligned with the holes to enable entry into them. The cylinders and the base part are electrically conductive and connected to ground.

REFERENCES:
patent: 3359513 (1967-12-01), Kelley
patent: 3613035 (1971-10-01), Askew
patent: 3925740 (1975-12-01), Steensma
patent: 4578656 (1986-03-01), La Cour et al.
(Abstract) Japanese Patent Document 56-6502, Imai, Jan. 23, 1981; 1 page.

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