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Concept of multiport-coupling beam-switching network and its basic performance in K-band

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3 Author(s)
Kawai, M. ; NTT Electrical Communications Laboratories, Yokosuka, Japan ; Suzuki, K. ; Egami, S.

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.

Published in:

Electronics Letters  (Volume:19 ,  Issue: 23 )