Accession Number : ADD008056

Title :   Mode Filtering Apparatus.

Descriptive Note : Patent,

Corporate Author : DEPARTMENT OF THE AIR FORCE WASHINGTON DC

Personal Author(s) : Harp,Robert S ; Russell,Kenneth J

Report Date : 09 Dec 1980

Pagination or Media Count : 12

Abstract : This invention relates to a mode filter apparatus for preventing unwanted modes in a multi-moded structure utilizing a radial plurality of resonant slots on the bottom of the filter cavity. The top of the filter cavity includes a variable height center section to provide mode selectivity in cooperation with the resonant slots.

Descriptors :   *Patents, *Microwave filters, *Cavity resonators, Multimode, Adaptive filters, Microwave transmission, Transmission lines, Waveguide slots, Bessel functions

Subject Categories : Electrical and Electronic Equipment

Distribution Statement : APPROVED FOR PUBLIC RELEASE