Dielectric filter and dielectric duplexer

Details Dielectric filter and dielectric duplexer Dielectric filter and dielectric duplexer

1998-01-28

1999-12-14

Ham, Seungsook

Wave transmission lines and networks

Plural channel systems

Having branched circuits

333202, 333208, H01P 512, H01P 120

Patent

active

060023074

ABSTRACT:
A dielectric filter includes a pair of transverse electric (TE).sub.10 -mode resonators connected in series. Each resonator has a conductor formed on substantially the entire surface of a dielectric body. On the connection surfaces of the resonators are formed grooves, respectively. On the inner surfaces of the grooves, central gaps are formed in the conductors. The pair of resonators are connected at their connection surfaces to combine the grooves to form a coupling-adjustment hole having an axis parallel to the interface between the resonators. The gaps combine to form a coupling window. The groove form a coupling-adjustment hole, through which the coupling window is accessible for being adjusted. The coupling window electromagnetically couples the pair of resonators.

REFERENCES:
patent: 4607242 (1986-08-01), Cozzie
patent: 4691179 (1987-09-01), Blum et al.
patent: 4725798 (1988-02-01), Igarashi
patent: 5731751 (1998-03-01), Vangala

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