Influences of Switching Jitter on the Operational Performances of Linear Transformer Drivers-Based Drivers

A whole circuit model of a linear transformer drivers （LTD） module composed of 60 cavities in series was developed in the software PSPICE to study the influence of switching jitter on the operational performances of LTDs. In the model, each brick in each cavity is capable of operating with jitter in...

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Bibliographic Details
Published inPlasma science & technology Vol. 14; no. 4; pp. 347 - 352
Main Author 刘鹏 孙凤举 魏浩 王志国 尹佳辉 邱爱慈
Format Journal Article
LanguageEnglish
Published 01.04.2012
Subjects
PSPICE
变压器
开关
抖动
模块开发
线性
运行性能
驱动器
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Summary:A whole circuit model of a linear transformer drivers （LTD） module composed of 60 cavities in series was developed in the software PSPICE to study the influence of switching jitter on the operational performances of LTDs. In the model, each brick in each cavity is capable of operating with jitter in its switch. Additionally, the manner of triggering cables entering into cavities was considered. The performances of the LTD module operating with three typical cavity-triggering sequences were simulated and the simulation results indicate that switching jitter affects slightly the peak and starting time of the output current pulse. However, the enhancement in switching jitter would significantly lengthen the rise time of the output current pulse. Without considering other factors, a jitter lower than 10 ns may be necessary for the switches in the LTD module to provide output current parameters with an acceptable deviation.
Bibliography:LIU Peng , SUN Fengju , WEI Hao,WANG Zhiguo, YIN Jiahui , QIU Aici 1School of Electrical Engineering, Xi＇an Jiaotong University, Xi＇an 710049, China 2Northwest Institute of Nuclear Technology, Xi＇an 710024, China
linear transformer drivers （LTDs）, circuit model, pulsed power, transmission line, jitter, trigger delay
34-1187/TL
A whole circuit model of a linear transformer drivers （LTD） module composed of 60 cavities in series was developed in the software PSPICE to study the influence of switching jitter on the operational performances of LTDs. In the model, each brick in each cavity is capable of operating with jitter in its switch. Additionally, the manner of triggering cables entering into cavities was considered. The performances of the LTD module operating with three typical cavity-triggering sequences were simulated and the simulation results indicate that switching jitter affects slightly the peak and starting time of the output current pulse. However, the enhancement in switching jitter would significantly lengthen the rise time of the output current pulse. Without considering other factors, a jitter lower than 10 ns may be necessary for the switches in the LTD module to provide output current parameters with an acceptable deviation.
ISSN:1009-0630
DOI:10.1088/1009-0630/14/4/15