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Nanosecond square high voltage pulse generator for electro-optic switch.

Xian-wang Feng¹, Xing-wu Long, Zhong-qi Tan

¹College of Optoelectric Science and Engineering, National University of Defense Technology, Changsha 410073, Hunan, China.

The Review of Scientific Instruments

|August 3, 2011

Summary

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This study presents a solid-state high voltage pulse generator with fast switching speeds and high driving capability, ideal for electro-optic applications and other high voltage fast switching needs.

Area of Science:

Electrical Engineering
Materials Science

Background:

High voltage pulse generation is critical for various applications, including electro-optic switches.
Existing pulse generators may lack scalability, fast switching speeds, or sufficient driving capability.

Purpose of the Study:

To develop a scalable, solid-state high voltage pulse generator.
To achieve fast rise and fall times, powerful driving capability, and a long operational lifetime.

Main Methods:

Utilized solid-state circuitry with a totem-pole topology.
Configured Power MOSFETs in series for high voltage handling.
Developed specific driving circuits for MOSFET configurations.

Main Results:

Successfully designed and presented a 3000 V pulse generator.

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Achieved a fast rise time of approximately 49.04 ns.

Achieved a fast fall time of approximately 10.40 ns.

Conclusions:

The developed pulse generator offers fast switching, high driving capability, and scalability.
This technology is well-suited for electro-optic switches.
The generator has potential for broad applications requiring high voltage fast switching.