Dielectric filter

Details Dielectric filter Dielectric filter

1990-06-21

1992-01-07

LaRoche, Eugene R.

Wave transmission lines and networks

Coupling networks

Wave filters including long line elements

333202, H01P 1202

Patent

active

050795287

ABSTRACT:
A dielectric filter which includes a plurality of dielectric resonators, and a plurality of coupling capacitors connected in series to each other, at least one portion of respective portions between the neighboring coupling capacitors being grounded through a series circuit of a series resonance capacitor and the corresponding one of the dielectric resonators, and other portions of the respective portions between them being grounded through other dielectric resonators. The coupling capacitors are each formed between electrodes formed on a substrate, and the series resonance capacitor is formed to confront the electrodes constituting the coupling capacitors.

REFERENCES:
patent: 4276525 (1981-06-01), Nishikawa et al.
patent: 4546334 (1985-10-01), Nishikawa et al.
patent: 4703291 (1987-10-01), Nishikawa et al.

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