Di-electric bandpass filter

Details Di-electric bandpass filter Di-electric bandpass filter

1988-09-19

1989-12-26

LaRoche, Eugene R.

Wave transmission lines and networks

Coupling networks

Wave filters including long line elements

333202, 333212, H01P 1202

Patent

active

048900796

ABSTRACT:
This invention relates to a di-electric bandpass filter using a di-electric resonator for selecting a desired wave and removing an undesired wave. The di-electric resonator has one central conductive hole (10) for resonance and more than one non-metallized coupling bores (2, 2) which are provided at the open faces of plurality of resonators (1, 1, . . . 1) which are disposed so as to contact the respective earth faces of each other. Neighboring coupling bores (2, 2) are connected by coupling metal pieces (4), whith output and input matching pins (3) inserted into either coupling bores or central holes. In this invention, it is possible to dipose the resonators freely as constructed in a bandpass filter using the space effectively so that a compact installation can be realized.

REFERENCES:
patent: 4431977 (1984-02-01), Sokola et al.
patent: 4450421 (1984-05-01), Meguro et al.
patent: 4740765 (1988-04-01), Ishikawa et al.

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