Microwave device employing coaxial resonator

Details Microwave device employing coaxial resonator Microwave device employing coaxial resonator

1980-10-01

1982-08-03

Nussbaum, Marvin L.

Wave transmission lines and networks

Coupling networks

Wave filters including long line elements

333136, 333222, 333245, H01P 1202, H01P 704, H01P 1213

Patent

active

043429726

ABSTRACT:
The disclosure relates to an improved microwave device which includes a casing of electrically conductive material, at least two coaxial resonators, for example, 1/4 wavelength coaxial TEM resonators each having dielectric member disposed between an inner conductor and an outer conductor of the coaxial resonator and a terminal electrode secured in the inner conductor to provide a terminal portion projecting from an end face of each of the coaxial resonators. The resonators are accommodated in the casing so as to be electrically connected and mechanically secured to the casing. A dielectric plate member connecting input and output terminals of the device is provided at least two coupling electrodes spaced predetermined intervals from each other are provided on the dielectric plate member. The microwave device is arranged to obtain coupling electrostatic capacity mainly between the coupling electrodes provided on the main flat surface of the dielectric plate member.

REFERENCES:
patent: 4151494 (1979-04-01), Nishikawa et al.
patent: 4268809 (1981-05-01), Makimoto et al.

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