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A G-Band Broadband Continuous Wave Traveling Wave Tube for Wireless Communications

MICROMACHINES (2022)

Demonstration of a Pulsed G-Band 50-W Traveling Wave Tube

Xingwang Bian et al.

Summary: This research presents the progress of a pulsed G-band 50 W traveling wave tube with pencil beam focused by periodic permanent magnet. By setting the operating point near the cutoff frequency, using folded waveguide slow wave structure with modified circular bends, and adopting phase velocity tapering technique, the tube's operation performances have been significantly improved, achieving high power, high electronic efficiency, and significant bandwidth.

IEEE ELECTRON DEVICE LETTERS (2021)

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Proceedings Paper Engineering, Electrical & Electronic

Progress of G-band CW transformed folded waveguide TWT

Lei Wenqiang et al.

Summary: The Institute of Applied Electronics has developed a wideband continuous wave transformed folded waveguide Traveling Wave Tube (CW TFWTWT) amplifier operating at G-band. The amplifier produces maximum output power of 28.27W at 220GHz frequency with a 7GHz -3dB bandwidth, and a maximum gain of 31.4dB at 221GHz frequency.

IVEC 2021: 2021 22ND INTERNATIONAL VACUUM ELECTRONICS CONFERENCE (2021)

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Article Engineering, Electrical & Electronic