150kV快前沿低抖动Marx发生器研制

Development of 150kV fast risetime low jitter Marx generator

研制了一种主要用于脉冲功率系统前级触发用的Marx发生器,介绍了其工作原理和主要参数。该Marx发生器采用单边充电技术路线和同轴紧凑型结构,高压脉冲采用柔性高压同轴电缆输出,在75Ω匹配负载上获得了超过170kV的高压脉冲输出,脉冲宽度超过200ns,在140~160kV工作区间内其前沿小于3ns,抖动不超过1.5ns。该Marx发生器工作范围宽,稳定可靠,很好地满足了高功率脉冲触发系统的要求。

A Marx generator for triggering used in pulsed power system has been researched.The principle and main parameters are introduced.A Marx generator is designed based on single polarity charge and coaxial structure.The Marx generator meets the following design specifications on the 75Ωload matching with the coaxial cable：more than 170 kV output voltage,more than 200 ns pulse width,3ns risetime and less than 1.5ns jitter from 140 kV to 160 kV.The Marx generator can work stably and reliably at large range voltage.The demand for triggering is satisfied commendably.