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Design of Data Acquisition Instrument Based on LabVIEW and USB Interface

Qingchun Zhang

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Abstract

For engineering measurement for data acquisition device's actual need,this paper used LabVIEW graphical development software,high-precision and high-speed data acquisition device MAX197,AT89C52 microcontroller and USB control chip CH372,achieved the 8 channels 12-bit data acquisition,1 channel 8-bit D/A output.And it displays the temperature detected,A/D maximum sampling frequency can be 100 kHz.This data collector has the high performance-to-price ratio,it can be applied widely.

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What this paper is about

For engineering measurement for data acquisition device's actual need,this paper used LabVIEW graphical development software,high-precision and high-speed data acquisition device MAX197,AT89C52 microcontroller and USB control chip CH372,achieved the 8 channels 12-bit data acquisition,1 channel 8-bit D/A output.And it displays the temperature detected,A/D maximum sampling frequency can be 100 kHz.This data collector has the high performance-to-price ratio,it can be applied widely.

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Available abstract

For engineering measurement for data acquisition device's actual need,this paper used LabVIEW graphical development software,high-precision and high-speed data acquisition device MAX197,AT89C52 microcontroller and USB control chip CH372,achieved the 8 channels 12-bit data acquisition,1 channel 8-bit D/A output.And it displays the temperature detected,A/D maximum sampling frequency can be 100 kHz.This data collector has the high performance-to-price ratio,it can be applied widely.

Key concepts: USB, Data acquisition, Microcontroller, Computer hardware, Interface (matter), Computer science, Software, Sampling (signal processing)

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