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Experimental Investigation of a High-Power Ka-Band Folded Waveguide Traveling-Wave Tube

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5 Author(s)
Huarong Gong ; Vacuum Electronics National Laboratory, School of Physical Electronics, University of Electronic Science and Technology of China, Chengdu, China ; Yubin Gong ; Tao Tang ; Jin Xu
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A Ka-band traveling-wave tube (TWT) was fabricated with a folded waveguide (FWG) as its slow-wave structure. The TWT demonstrates more than 700-W radio-frequency peak output power within a 2.5-GHz bandwidth. Because this type of TWT can be manufactured and assembled in an easy and cheap way, the FWG TWT will be a competing high-power millimeter wave source, compared to helix and coupled-cavity TWTs in Ka-band.

Published in:

IEEE Transactions on Electron Devices  (Volume:58 ,  Issue: 7 )