Development of a 200W High Efficiency K-band Traveling Wave Tube
A K-band helix traveling wave tube(TWT)with comprehensive advantages in efficiency,power,and bandwidth is designed through simulation calculations of high-efficiency slow wave system and multistage depressed collector.The test results of the developed TWT show that in the range of 19～25 GHz,with a cathode working voltage of 9.8 kV,the continuous wave saturated output power is greater than 200 W,and the overall tube efficiency is greater than 50％.
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