LC filter structure

Details LC filter structure LC filter structure

1989-01-23

1991-03-12

Laroche, Eugene R.

Wave transmission lines and networks

Coupling networks

Frequency domain filters utilizing only lumped parameters

333185, 361329, 439607, H03H 700

Patent

active

049995952

ABSTRACT:
An LC filter comprises a ceramic laminate which has at least one dielectric part defining an exposed surface and at least one magnetic part integrated with the dielectric part in a layered manner. The ceramic laminate is provided with at least one through hole which has a first opening positioned on the exposed surface of the dielectric part and commonly passes through both of the dielectric part and the magnetic part. A connector pin is inserted in the through hole while a first electrode of a capacitor is formed on the exposed surface in a peripheral region of the first opening to be electrically connected with the connector pin. A second electrode of the capacitor is provided to be opposite to the first electrode through a dielectric member forming the dielectric part except for a peripheral region of the through hole, so that the second electrode is extracted toward the exterior of the ceramic laminate as a grounded electrode.

REFERENCES:
patent: 3538464 (1970-11-01), Walsh
patent: 3842374 (1974-10-01), Schlicke
patent: 4262268 (1981-04-01), Shimada et al.
patent: 4494092 (1985-01-01), Griffin
patent: 4791391 (1988-12-01), Linnell et al.
patent: 4853659 (1989-08-01), Kling

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