A new method of accurately determining resonant frequencies of cylindrical and ring dielectric resonators

A new method of determining resonant frequencies of cylindrical and ring dielectric resonators (DRs) is presented. The effective dielectric constants in the dielectric waveguide model have been newly defined in the axial and radial attenuation constants to calculate more accurate resonant frequencies of the TE/sub 01/spl delta// mode of cylindrical and ring DRs in a microwave integrated-circuit environment. The accuracy of this approach has been shown to be better than 0.5% in error.