High isolation microwave module

Details High isolation microwave module High isolation microwave module

1993-08-03

1995-01-31

Ham, Seungsook

Wave transmission lines and networks

Coupling networks

Wave filters including long line elements

333212, H01P 1208

Patent

active

053862040

ABSTRACT:
A high isolation microwave module includes a housing floor with mounting surfaces for placing microwave components and housing walls ending in housing wall ends coupled to and projecting from the housing floor. A lid including a lid plate and lid walls ending in lid wall ends projects from the lid plate. The lid walls extend toward the housing floor and the plurality of housing walls extend toward the lid plate but neither the lid wall ends nor the housing wall ends are coupled to the housing floor or lid plate, respectively. A plurality of cavities exist between the adjacent lid walls between the housing and the lid plate and a plurality of irises exist between immediately adjacent housing walls and corresponding lid walls. The irises and cavities act as a multi-section high pass filter to provide attenuation to a microwave signal passing through the module.

REFERENCES:
patent: 2585563 (1952-02-01), Lewis et al.
patent: 4268803 (1981-05-01), Childs et al.
patent: 4706051 (1987-11-01), Dieleman et al.
patent: 5160903 (1992-11-01), Torkington et al.

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