Dielectric filter using quarter wavelength coaxial dielectric resonators connected in series

Dielectric filter using quarter wavelength coaxial dielectric resonators connected in series

A dielectric filter having a plurality of lambda /4 coaxial dielectric resonators in stages, the resonator being filled with a dielectric material between its inner and outer conductors, comprising at least one stage in which the outer conductor of the lambda /4 coaxial dielectric resonator is groun...

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Hauptverfasser: FUJIYAMA, YOSHIAKI, TAKASUGI, ATSUNORI, ONO, TAKAKI, KITOH, RYOZO, HAYASHI, SHOTARO
Format: Patent
Sprache:eng
Schlagworte:
BASIC ELECTRIC ELEMENTS
ELECTRICITY
RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
WAVEGUIDES
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creator FUJIYAMA
YOSHIAKI
TAKASUGI
ATSUNORI
ONO
TAKAKI
KITOH
RYOZO
HAYASHI
SHOTARO
description A dielectric filter having a plurality of lambda /4 coaxial dielectric resonators in stages, the resonator being filled with a dielectric material between its inner and outer conductors, comprising at least one stage in which the outer conductor of the lambda /4 coaxial dielectric resonator is grounded via a capacitance or inductance. The dielectric filter is embodied as a low-pass filter, high-pass filter or a band-pass filter. As a result, by utilizing dielectric resonators having a desired resonant frequency, it is possible to readily achieve a dielectric filter having an attenuating pole in the neighborhood of the frequency passband and small in insertion loss.
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subjects BASIC ELECTRIC ELEMENTS
ELECTRICITY
RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
WAVEGUIDES
title Dielectric filter using quarter wavelength coaxial dielectric resonators connected in series
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