High frequency storing case and high frequency module

Details High frequency storing case and high frequency module High frequency storing case and high frequency module

2009-02-26

2011-10-11

Dinh, Tuan T (Department: 2835)

Electricity: electrical systems and devices

Housing or mounting assemblies with diverse electrical...

For electronic systems and devices

C361S761000

Reexamination Certificate

active

08035994

ABSTRACT:
A cavity configured by electrically connecting an earth conductor formed on a multilayer dielectric substrate and on which a plurality of high frequency circuits are mounted, and a shield cover member. A waveguide aperture is formed on the earth conductor on which the high frequency circuits are mounted and is electrically coupled to the cavity, and an end-short-circuited dielectric waveguide formed in a direction of layer lamination of the multilayer dielectric substrate is connected to the waveguide aperture, and has a length approximately ¼ of an effective wavelength in the substrate of a signal wave. Spatial isolation between the high frequency circuits is ensured by an inexpensive and simple configuration using the single cavity.

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