The power supply presented is used to operate a pulsed TWT in a microwave experiment, which will be flown during the first Spacelab (Spaceshuttle) mission. Various high voltages up to 10 KV at a pulsed power of 9 KW are provided by the supply. The design features of power conversion, high voltage insulation, pulse generation and protection circuitry are described and test results are presented.
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