Dielectric filter and method for adjusting resonance frequency of the same
US6023207A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Feb 5, 1997 |
| Grant date | Feb 8, 2000 |
| Priority date | — |
| Expiry date | Feb 5, 2017 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01P1/2056
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A dielectric filter having a plurality of dielectric coaxial resonators provided on a dielectric ceramic block, which is capable of equalizing the resonance frequencies of all the dielectric coaxial resonators with ease, and a method for adjusting the resonance frequency of the dielectric filter, in which one or more counterbores is provided for adjusting the substantial resonance frequency of each of the dielectric coaxial resonators or for coping with a tendency toward any deviation of the resonance frequency based on the structure of the dielectric filter. Each counterbore has a diameter larger than that of an inner conductor of each of the dielectric coaxial resonators.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.