期刊
IEEE TRANSACTIONS ON ELECTRON DEVICES
卷 68, 期 6, 页码 2984-2989出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TED.2021.3073382
关键词
71-76GHz; dispersion combination; folded waveguide (FWG); linear power; traveling-wave tube
The low-voltage, high-linear power E-band traveling-wave tube amplifier designed for high-data-rate wireless communication has demonstrated excellent performance in the high frequency band, validating the feasibility of dispersion combination technology in high-linear power design.
A low-voltage and high linear power E-band traveling-wave tube amplifier is designed to meet the demand of high-data-rate wireless communication. The integrated design, including the dispersion combination of folded waveguide slow wave structure, broadband diamond pillbox window, and AlN-SiC lumped attenuator, ensures the success of the prototype tube with satisfying performance. The test results show that the amplifier is capable of providing more than 45.2 W output power, 38.8 dB saturated gain, 14.3% total efficiency, and 45.6 dB small-signal gain in 71-76 GHz band with a low voltage of 12.88 kV and a current of 80 mA. The 1 dB compression point exceeding 20 W verifies the feasibility of dispersion combination technology for high linear power design.
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