Method of constructing dielectric resonator unit and dielectric

Details Method of constructing dielectric resonator unit and dielectric Method of constructing dielectric resonator unit and dielectric

1977-06-10

1979-01-23

Gensler, Paul L.

Wave transmission lines and networks

Attenuators

29600, 333 73R, H01P 130, H01P 700

Patent

active

041363205

ABSTRACT:
A dielectric resonator unit for use in electrical filters which includes a dielectric resonator made of ceramic material and a supporting spacer made of other types of ceramic material or synthetic resin. The supporting spacer is formed in the shape of a cylinder and has one end thereof bonded onto the dielectric resonator and the other end thereof bonded onto an inner surface of the casing of the filter. The combination of a particular dielectric resonator with a particular supporting spacer is determined by the value of temperature-frequency characteristics and temperature dielectric constant characteristics of the respective resonator and spacer, so that the resulting dielectric resonator unit has values of substantially Oppm/.degree. C for both characteristics.

REFERENCES:
patent: 3840828 (1974-10-01), Linn et al.

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