Tunable microwave filters utilizing a slotted line circuit

Details Tunable microwave filters utilizing a slotted line circuit Tunable microwave filters utilizing a slotted line circuit

1985-09-25

1986-05-20

Nussbaum, Marvin L.

Wave transmission lines and networks

Coupling networks

Wave filters including long line elements

333223, 333246, H01P 1203, H01P 1215

Patent

active

045904480

ABSTRACT:
A slotted line tunable microwave filter of the type having a metallic layer aving slot patterns thereon, and an insulating layer, the filter also including a variable bias D.C. magnetic field source, for imposing a magnetic field on a dielectric junction in the metallic layer, which may be varied to tune the filter resonant frequency.
In one embodiment of the invention the slot pattern comprises a first set of slots and a second set of slots.
The first set of slots comprises a first slot disposed coincident with a negative x axis and the second set of slots comprises a second slot disposed coincident with a positive x axis.

REFERENCES:
patent: 3546637 (1970-12-01), Wen
patent: 3560893 (1971-02-01), Wen
patent: 3681716 (1972-08-01), Chiron et al.
patent: 3715692 (1973-02-01), Reuss, Jr.
patent: 3753167 (1973-08-01), Cohn
patent: 4297661 (1981-10-01), Stegens
patent: 4319208 (1982-03-01), de Bayser et al.
patent: 4521753 (1985-06-01), Schloemann

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