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Development of HVPS of the X-Band TWTA for Military Transportable Satellite Communications  

Park, Jae-Don (국방과학연구소 4체계개발본부 1부 2팀)
Jang, Jeen-Sang (국방과학연구소 4체계개발본부 1부 2팀)
Dong, Moon-Ho (국방과학연구소 4체계개발본부 1부 2팀)
Abstract
The HVPS of the TWTA for military satellite communications is developed and tested. With 380 V input DC voltage, the HVPS provides -10.95 kV for Cathode, -4.27 kV for Collectorl and -6.57 kV for Collector2 of the TWT that generates 600 W X-band output signal power. The total output power of the HVPS is about 1.6 kW. The voltage ripples of Cathode, Collectorl and Collector2 are 6 V, 12 V and 6 V, respectively, which are only $0.055\%,\;0.281\%$ and $0.091\%$ compared to the absolute output voltages.
Keywords
HVPS; TWTA; transformer; satellite communications;
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