Dielectric resonator apparatus

Details Dielectric resonator apparatus Dielectric resonator apparatus

1988-01-14

1989-04-11

Nussbaum, Marvin L.

Wave transmission lines and networks

Coupling networks

Wave filters including long line elements

333208, 333212, 3332191, 333246, H01P 120, H01P 1207, H01P 710

Patent

active

048210064

ABSTRACT:
The dielectric resonator apparatus is characterized in that electric walls exist on one plane or two including the central axis of the electromagnetic field distribution in the using mode of a dielectric resonator, a dielectric resonator with either of dielectrics between the electric wall being removed in shape is provided by plurality, an equivalent axis is common to the central axis of each of the dielectric resonators, with the dielectric resonators being inductively coupled in the axial direction. A dielectric resonator which prevents the current from being concentrated on the central axis of the electromagnetic field distribution, is collectively smaller in the Joule loss and is higher in Q. The dielectric resonator of the present invention is characterized in that the dielectric close to the central axis is removed, wherein electric walls exist on one plane or two including the central axis of the electromagnetic field distribution in a dielectric resonator using, for instance, a TE.sub.01.delta. mode, with either of dielectrics between the electric wall being removed in shape.

REFERENCES:
patent: 4423397 (1983-12-01), Nishikawa et al.

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