Luisa Fernandez Pena, Benoit Michel, Jean Gastaud, A. Laurent
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In satellite systems, on-board repeaters shall deliver always more RF power. Specifically in Ka-Band applications like HDTV or Internet, the satellite Capacity must be increased to improve the Data Rate Transfer. This Capacity increase leads to a substantial increase of Specified RF Output Power. In order to respond to this demand, Thales Electron Devices (TED), has qualified a conduction cooled TWT (TH4816C) and a radiation cooled TWT (TH4816R). These TWTs deliver in Ka band more than 170W in narrow band (<;=1.5GHz) and more 160W in wide band (1.5 to 2.9GHz). This paper gives the main technical characteristics of the TH4816 family design and the main performances (industrial batch) over 2.9GHz wideband in Ka frequency range.
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