• High Power Laser and Particle Beams
  • Vol. 36, Issue 2, 025010 (2024)
Yinchuan Liu, Wenlei Gao, Yafeng Wang, Qihui Liu, and Yinxing Chen
Author Affiliations
  • Beijing Vacuum Electronics Research Institute, Beijing 100015, China
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    DOI: 10.11884/HPLPB202436.230207 Cite this Article
    Yinchuan Liu, Wenlei Gao, Yafeng Wang, Qihui Liu, Yinxing Chen. Design and implementation of a miniaturized high voltage power supply for pulse traveling wave tube[J]. High Power Laser and Particle Beams, 2024, 36(2): 025010 Copy Citation Text show less
    Power supply schematic diagram of grid controlled TWT
    Fig. 1. Power supply schematic diagram of grid controlled TWT
    Design block diagram of pulse high voltage power supply
    Fig. 2. Design block diagram of pulse high voltage power supply
    CW voltage multiplier circuit
    Fig. 3. CW voltage multiplier circuit
    High voltage circuit design
    Fig. 4. High voltage circuit design
    Feedback control circuit diagram
    Fig. 5. Feedback control circuit diagram
    Simulation of main power circuit
    Fig. 6. Simulation of main power circuit
    Simulation waveform of voltage at each pole
    Fig. 7. Simulation waveform of voltage at each pole
    Photo of miniaturized pulse MPM
    Fig. 8. Photo of miniaturized pulse MPM
    Measured waveform of cathode voltage
    Fig. 9. Measured waveform of cathode voltage
    Measured waveforms of MPM
    Fig. 10. Measured waveforms of MPM
    cathode voltage Vk/kVfirst collector voltage Vc1second collector voltage Vc2third collector voltage Vc3
    −6.5 (reference ground)60%|Vk| (reference Vk)40%|Vk| (reference Vk)20%|Vk| (reference Vk)
    Table 1. Main electrical parameters of TWT
    R1/kΩC20/nFC22/nFC23/nFR6/kΩ
    100110151
    Table 2. Partial component parameters
    Vc1Vc1/VkVc2Vc2/VkVc3Vc3/Vk
    simulation result38840.597 625740.396 012720.195 0
    experimental result38800.596 925680.395 012900.198 4
    Table 3. Simulation and experimental results of collector voltage
    Yinchuan Liu, Wenlei Gao, Yafeng Wang, Qihui Liu, Yinxing Chen. Design and implementation of a miniaturized high voltage power supply for pulse traveling wave tube[J]. High Power Laser and Particle Beams, 2024, 36(2): 025010
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