低抖动纳秒级前沿的氢闸流管高压脉冲源
A low jitter, nanosecond risetime and high voltage pulse generator based on hydrogen thyratron
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摘要: 试验用功率MOSFET驱动氢闸流管，做成幅度可达15kV、前沿小于10ns、抖动低于1ns的高压纳秒级前沿脉冲源。简要介绍了脉冲源的电路结构，着重从氢闸流管储氢器加热电压、阴极加热电压、触发脉冲幅度、前沿和延迟几方面测量分析了其对脉冲源输出特性的影响。Abstract: The characteristics of a hydrogen thyratron driven by power MOSFETs to produce high voltage, fast pulses is investigated. The basic structure of the thyratorn is introduced. The effects of the reservoir heater voltage, cathode heater voltage and characteristics of grid drive pulses on the output performance are carefully examined and shown in figures. With this pulse generator, pulses with amplitude up to 15kV into 75Ω, risetime less than 10ns, and jitter less than 1ns can be achieved．
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Key words:
- hydrogen thyratron /
- high voltage /
- nanosecond rise time /
- low jitter
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