Dielectric resonator capable of varying resonant frequency

Details Dielectric resonator capable of varying resonant frequency Dielectric resonator capable of varying resonant frequency

1998-03-20

2000-05-30

Ham, Seungsook

Wave transmission lines and networks

Resonators

Dielectric type

333235, H01P 710

Patent

active

060695439

ABSTRACT:
A dielectric resonator capable of adjusting a resonance frequency, reducing occurrence of a mode jump if it is applied to an oscillator and being manufactured at a low cost. The dielectric resonator has a pair of upper and lower opposing conductive plates; a dielectric substrate disposed between the conductive plates; a first electrode formed on one surface of the dielectric substrate, the first electrode having a first opening; a second electrode formed on another surface of the dielectric substrate, the second electrode having a second opening corresponding to the first opening so that a resonator is formed by a portion of the dielectric substrate disposed between the first and second openings; and a variable capacitor located in a portion of the dielectric substrate in which an applied electromagnetic field is confined in and around the resonator.

REFERENCES:
patent: 4733198 (1988-03-01), Blickstein et al.
patent: 5142255 (1992-08-01), Chang et al.
patent: 5406233 (1995-04-01), Shih et al.
patent: 5786740 (1998-07-01), Ishikawa et al.

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