Title :
Three-line microstrip directional coupler for microwave switch matrix
Author :
Hikita, Masayuki
Author_Institution :
Hitachi Ltd., Tokyo, Japan
fDate :
5/7/1992 12:00:00 AM
Abstract :
The microwave switch matrix (MSM) will be a vital component for satellite communications. Three-line directional couplers with a very good VSWR of less than 1.06 and a coupling coefficient of S12=10.8+or-0.2 dB are required for a 6*6 MSM. The Letter presents the design procedures and experimental results of a three-line directional coupler with a centre frequency of 1.8 GHz.
Keywords :
directional couplers; satellite relay systems; strip line components; 1.8 GHz; VSWR; centre frequency; coupling coefficient; microwave switch matrix; satellite communications; three-line directional coupler;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19920609
