CERAMIC WAVEGUIDE MICROWAVE FILTER Russian patent published in 2015 - IPC H01P3/00 

FIELD: radio engineering, communication.

SUBSTANCE: disclosed is a ceramic microwave filter consisting of a metal-coated ceramic unit in the form of a rectangular parallelepiped, in which a line of directly coupled cavity resonators is formed, and input and output communication elements situated on the end faces with an adapter on the lower face of the unit are in the form of a series connection of an inductive slit and a section of a coplanar line.

EFFECT: broader capabilities of filter adjustment, which enable to match the filter with input and output lines for a wider range of filter parameter values based on a basic ceramic unit.

5 dwg