COMPACT AND HIGH-POWER 2.5 KW KLYSTRON FOR DBS BAND

A 17 GHz, 2.5 kW klystron with fast tuner has been developed as a high -power transmitter tube for direct broadcasting satellite earth statio ns. The 17 GHz band was allocated as a new DBS (Direct Broadcasting Sa tellite) band by the WARC (World Administrative Radio Conference) to m ake up for the lack of the 14 GHz band. The klystron has achieved worl d-top data that are 2.5 kW of output power, 27 kg in weight, and 208 m m x 208 mm x 350 mm in size in the DBS band, and is designed with NEC' s reliable Computer-Aided Design (CAD) system. This klystron has achie ved higher quality and higher reliability by innovative design and pro duction technology.