The Design of Signal Generator of Electrical Fast Transients Burst

Wu Zhu; Jia Min Zhang; Yuan Zhang; Juan Juan Yu; Shi Bing Wu

doi:10.4028/www.scientific.net/AMM.336-338.27

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 336-338The Design of Signal Generator of Electrical Fast...

The Design of Signal Generator of Electrical Fast Transients Burst

Abstract:

With the improvement of output frequency of electric fast transients (EFT) burst generator, amplitude attenuation of pulse train appeared in the high frequency. Therefore, the method of pulse width programmed digitally ,and realized by Field Programmable Gate Array (FPGA) device was put forward to overcome burst amplitude attenuation. The technology of direct digital frequency synthesis was used to adjust the output signal frequency changes. The linear array memory with one bit was adopted to store square-wave waveform, the output signal duty cycle is digital adjustable, which is achieved by changing the waveform data in the linear array memory. Brust generator is designed by using VHDL languages in the QUARTUS II 6.0 simulation platform. The simulation and experiment results show that when the frequency of the output signal reaches 1 MHz, frequency resolution arrives at 6Hz, error of pulse width is less than 10 ns.

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Periodical:

Applied Mechanics and Materials (Volumes 336-338)

Pages:

27-32

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.336-338.27

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Online since:

July 2013

Authors:

Wu Zhu, Jia Min Zhang, Yuan Zhang, Juan Juan Yu, Shi Bing Wu

Keywords:

DDS, Driving Signal, Electromagnetic Compatibility (EMC), Fast Transient/Burst (EFT), Linear Array Memory

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References

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