Title :
Design of coupled combline directional couplers
Author_Institution :
Royal Radar Establishment, Malvern, UK
Abstract :
A procedure is described whereby a coupled combline directional coupler may be produced in triplate or microstrip. Factors affecting bandwidth, centre frequency, directivity, coupling level and matching are discussed. Details of practical X-band devices are given.
Keywords :
directional couplers; strip line components; X-band devices; bandwidth; centre frequency; coupled combline directional couplers; coupling level; directivity; matching; microstrip; triplate;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19750462