Research on Portable Virtual Oscilloscope Based on USB Bus

Jun Hao Niu; Zhi Li

doi:10.4028/www.scientific.net/AMR.459.114

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 459Research on Portable Virtual Oscilloscope Based on...

Research on Portable Virtual Oscilloscope Based on USB Bus

Abstract:

A designed method of portable virtual oscilloscope with USB interface is proposed in this paper. The programmable gain amplifier (attenuator) circuit is used to adjust the different range of inputting signal to the A/D converter's. The A/D convert is realized by using ADS830E, which is a chip with maxim 60MHz sample rate and 8-bit data width. CY7C68013A, one chip of EZ-USB FX2 series, is used to achieve the data transfer to computer in block mode. The FPGA is programmed as an external host controller to control the gain amplification and attenuation circuit, and provide the sample clock for high-speed A/D converter ADS830E, and send the data to the Slave-FIFO. Application software is designed with VC++ platform to calculate and display the received data graphically.

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Periodical:

Advanced Materials Research (Volume 459)

Pages:

114-117

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.459.114

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Online since:

January 2012

Authors:

Jun Hao Niu, Zhi Li

Keywords:

ADS830E, CY7C68013A, Field-Programmable Gate Array (FPGA), Slave FIFO, Virtual Oscilloscope

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References

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