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New Method to Model the Equivalent Circuit of the Pulse Generator in Electrical Fast Transient/Burst Test

Xiaoshe ZHAI, Yingsan GENG, Jianhua WANG, Zhengxiang SONG, Degui CHEN

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Summary :

This paper presents an accurate and systematic method to model the equivalent circuit of pulse generator in the electrical fast transients/burst test (EFT/B). Firstly, a new analytical expression is presented to express the generator's charging and discharging process under open-condition (1000-Ω), which all its coefficients are determined according to the output waveform specified by the manufacturer. And then, with adoption of the step source, the transfer function of the pulse forming network in Laplace domain is deduced, which is ready for the network synthesis. Based on above discussion, the parameterized method and the technique of constant-resistance are adopted for the network synthesis. Finally, the equivalent circuit is renormalized and improved to meet the specification under matching-condition (50-Ω). In this way, the equivalent circuit of EFT/B generator is obtained and can be adjusted conveniently to satisfy the different manufacturers. The PSPICE simulation with a certain load is validated by measurement.

Publication
IEICE TRANSACTIONS on Electronics Vol.E92-C No.8 pp.1052-1057
Publication Date
2009/08/01
Publicized
Online ISSN
1745-1353
DOI
10.1587/transele.E92.C.1052
Type of Manuscript
Special Section PAPER (Special Section on Recent Development of Electro-Mechanical Devices (IS-EMD2008))
Category
Actuators & Pulse Generators

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