Design of high repetition rate and high voltage pulse generator based on metal oxide semiconductor field-effect transistor
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摘要: 设计了一种基于功率金属氧化物半导体场效应晶体管(MOSFET)的高压脉冲电源。该发生器采用多只MOSFET的串联技术，形成高压、高重复频率开关组件。用高压开关组件开展脉冲发生器设计，搭建了一个15只1 kV的高速MOSFET串联的脉冲发生器实验装置，在500 Ω负载上获得前沿小于5 ns、幅度大于10 kV、脉宽约100 ns，瞬态频率达400 kHz的高压脉冲。设计的高压开关组件结构紧凑，可靠性高，可应用于多种脉冲发生器。Abstract: The paper presents a design of high voltage pulse generator based on metal oxide semiconductor field-effect transistor (MOSFET).The high voltage and high repetition rate switch module by stacking many MOSFET in series was investigated to generate high voltage pulse. A pulse generator was designed by the switch module. An experiment setup stacking 15 MOSFETs whose Vds is 1 kV was set up in series. A high voltage pulse with amplitude of 10 kV on 500 Ω load, duration of about 100 ns and repeat frequency of 400 kHz was obtained. Because of the fine characteristic of compact-structure and high reliability, the high voltage switch module could be used in many type of pulse generator.
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Key words:
- high voltage switch module /
- high voltage pulse /
- high repetition rate /
- pulse generator
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