Title :
Concept of multiport-coupling beam-switching network and its basic performance in K-band
Author :
Kawai, M. ; Suzuki, K. ; Egami, S.
Author_Institution :
NTT Electrical Communications Laboratories, Yokosuka, Japan
Abstract :
The letter reports the concept of a new switching/amplifying network, and its basic performance, for scanning the down-link beam rapidly in multibeam satellite systems. Experiments in the K-band have shown 85% power-combining efficiency, more than 17 dB isolation and 400 ns switching speed.
Keywords :
antenna accessories; coupled circuits; distributed parameter networks; multiport networks; satellite ground stations; switching networks; K-band; antenna accessories; beam-switching network; distributed parameter networks; down-link beam; multibeam satellite systems; multiport-coupling;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19830672
