Dielectric filter of interdigital line type

Details Dielectric filter of interdigital line type Dielectric filter of interdigital line type

1986-04-04

1988-07-12

Laroche, Eugene R.

Wave transmission lines and networks

Coupling networks

Wave filters including long line elements

333206, H01P 120

Patent

active

047572841

ABSTRACT:
An interdigital line type dielectric filter acting as a bandpass filter at radio frequencies has a dielectric body on which a grounding electrode is formed. Two parallel exciter lines extend through the block. Several resonant lines are juxtaposed to one another between the exciter lines. One short-circuited end of each resonant line is connected to the grounding electrode, while the other open end is not connected to it. The short-circuited end and the open end of any one of the resonant lines are disposed on opposite sides of those of its neighboring one resonant line. Those portions of the block which are in the vicinities of the open ends of the resonant lines are cut out so that the open ends are exposed.

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patent: 4523162 (1985-06-01), Johnson
patent: 4631506 (1986-12-01), Makimoto et al.

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