Dielectric filter having stepped resonator holes with offset hol

Dielectric filter having stepped resonators with non-conductive

Dielectric filter having trimmable capacitor

Dielectric filter having tunable resonating portions

Dielectric filter having variable rectangular cross section inne

Dielectric filter including an adjusted inner electrode and a co

Dielectric filter including at least one band elimination filter

Dielectric filter including laterally extending auxiliary throug

Dielectric filter including trimming electrodes

Dielectric filter including various means of adjusting the coupl

Dielectric filter module

Dielectric filter of interdigital line type

Dielectric filter of solid mold type with frequency adjustment e

Dielectric filter of the band elimination type

Dielectric filter transmission-reception sharing unit and commun

Dielectric filter unit, duplexer, and communication apparatus

Dielectric filter using quarter wavelength coaxial dielectric re

Dielectric filter using the TEM mode

Dielectric filter with a unitary external coupling device couple

Dielectric filter with adjustable frequency bandwidth