2009•Unpublished venueRequires access

A Kind of Virtual Oscilloscope Used in Experiment Teaching Based on Sound Card and LabVIEW

Aiju Chen, Jingjing Liu

Abstract

Sound card-based virtual instrument technology, through the program processing of the collected data by sound card under LabVIEW environment, this paper designed a low-cost virtual oscilloscope system. The design has advantages of user-friendly interface, high flexible, high performance-price ratio and the others. The experiment simulation shows that the system can correctly collect sound card signals and achieve oscilloscope's measurement and frequency spectrum analysis function. It is conducive to university teaching in the new situation.

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Available abstract

Key concepts: Oscilloscope, Sound card, Computer science, Interface (matter), Virtual instrument, Computer hardware, Virtual instrumentation, Data acquisition