Inductive coupled filter with electrically neutral holes between

Details Inductive coupled filter with electrically neutral holes between Inductive coupled filter with electrically neutral holes between

1995-11-20

1997-12-09

Lee, Benny T.

Wave transmission lines and networks

Coupling networks

Frequency domain filters utilizing only lumped parameters

333184, 333185, 336200, H03H 709

Patent

active

056964714

ABSTRACT:
A plurality of inductors are formed by connecting linear patterns formed in different surfaces of a substrate respectively by means of holes, forming a plurality of electrically neutral surfaces in areas not including the linear patterns on different surfaces of the substrate, and furthermore by forming electrically neutral holes connecting the electrically neutral surfaces to each other at positions between the plurality of inductors to affect the coupling between inductors.

REFERENCES:
patent: 2786984 (1957-03-01), Slate
patent: 4203081 (1980-05-01), Braeckelman
patent: 4772862 (1988-09-01), Kubo et al.
patent: 5461353 (1995-10-01), Eberhardt
patent: 5521573 (1996-05-01), Inoh et al.

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