Design for w-band folded waveguide traveling-wave tube

This paper designs a folded waveguide traveling wave tube which works in 97 GHz-99 GHz. The interaction efficiency of the whole working band is about 3%, and the output power is up to 57 w, therefore the whole tube gain is more than 37 dB. The high-frequency characteristics of the slow wave structure and the amplification performance of the TWT have been investigated.

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