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Related Experiment Video

Updated: Apr 27, 2026

20 mJ, 1 ps Yb:YAG Thin-disk Regenerative Amplifier

20 mJ, 1 ps Yb:YAG Thin-disk Regenerative Amplifier

Published on: July 12, 2017

Development of high-voltage pulse generator with variable amplitude and duration.

J Upadhyay¹, M L Sharma¹, Aakash B Ahuja¹

¹Laser Electronics Support Division, Raja Ramanna Centre for Advanced Technology, Indore, M.P., India.

The Review of Scientific Instruments

|July 3, 2014

Summary

A novel high voltage pulse generator offers adjustable amplitude (100-3000 V) and duration (100-2000 μs). This is achieved by controlling the turn-off delay of a Metal Oxide Semiconductor Field Effect Transistor (MOSFET) switch.

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Area of Science:

Electrical Engineering
Pulsed Power Systems

Background:

High voltage pulse generation is crucial for various scientific and industrial applications.
Existing pulse generators often lack flexibility in amplitude and duration control.
The need for precise and variable pulse parameters necessitates innovative design approaches.

Purpose of the Study:

To design and develop a high voltage pulse generator with independently variable amplitude and duration.
To implement a novel technique for controlling pulse width using MOSFET switching.
To achieve a wide range of output parameters for versatile applications.

Main Methods:

A high voltage pulse generator was designed using a Metal Oxide Semiconductor Field Effect Transistor (MOSFET) based switch.
Variable pulse duration was achieved by modulating the turn-off delay time of the MOSFET switch via external gate resistance.
Variable pulse amplitude was controlled by adjusting the biasing supply of the high voltage switch.
The MOSFET switch stack was rated for 3 kV with a switching time of 7 ns.

Main Results:

The developed pulse generator successfully achieved variable pulse amplitudes from 100 V to 3000 V.
Variable pulse durations ranging from 100 μs to 2000 μs were realized.
The novel technique for duration control proved effective and simple to implement.
The high voltage switch demonstrated reliable performance within the specified ratings.

Conclusions:

A versatile high voltage pulse generator with independently controllable amplitude and duration has been successfully developed.
The MOSFET-based switching technique offers a practical and efficient method for pulse parameter control.
This generator provides a valuable tool for research and applications requiring tailored high voltage pulses.