Design and Simulation of a Compact Sub-Nanosecond Pulse Generator Based on Marx's Circuit Theory of Field-Effect Transistors

High-voltage ultrafast pulses can be effectively used to control the gated traveling-wave amplitude division of microchannel plates. In view of that and according to the microstrip transmission theory, this study proposes a pulse generator based on the Marx circuit of a field-effect tube. In this st...

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Bibliographic Details
Published in:IEEE transactions on plasma science 2024-05, Vol.52 (5), p.1787-1795
Main Authors: Fu, Wenyong, Duan, Xindong, Huang, Junkun, Zhang, Jingjin, Guo, Quanliang, Cai, Houzhi
Format: Article
Language:English
Subjects:
Avalanche breakdown
Capacitors
High-voltage techniques
Logic gates
Marx generators
Microstrip
MOSFET
Power supplies
Pulse generation
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Summary:High-voltage ultrafast pulses can be effectively used to control the gated traveling-wave amplitude division of microchannel plates. In view of that and according to the microstrip transmission theory, this study proposes a pulse generator based on the Marx circuit of a field-effect tube. In this study, detailed designs of the proposed pulse generator are presented and validated by simulations using the OrCAD PSpice. An experimental setup is constructed to demonstrate the viability of the proposed design. Finally, an optimized pulse with a 2.2-kV amplitude and a 220-ps width is generated. This article provides a reference for future design of advanced direct capacitor discharge pulse generator with adjustable pulse parameters using the silicon carbide field effect.
ISSN:0093-3813
1939-9375
DOI:10.1109/TPS.2024.3397230