The Automatic Test System Of Digital Oscilloscope

With the development of electronic technology

, digital oscilloscopes have greatly expanded the work ability by the digital technology and software. When we have used the digital oscilloscopes always had some troubles in the early time, for example: low sampling rate, a big dead time and low refresh rate of the screen. However, these problems have been improved greatly. It was difficult for observing modulation signal, eye diagram communications video signal and other complex signals in the past. Now, it has changed. They are easy for observed. Digital oscilloscope can operate on the data and analysis, particularly suited for capturing the details and exceptions of complex dynamic signals.

Therefore, digital oscilloscope has been widely used in scientific researches and industrial productions. In order to make the digital oscilloscopes work in the qualified status, it is an urgent task for test engineer to have a regular basis, rapid and comprehensive testing and ensure traceability on digital oscilloscope.

As the manual test is inefficient and error-prone, so each test engineer needs to read a lot of test data for the testing of digital oscilloscopes. Automatic test system can test the parameters quickly, display the test results directly and store the test data automatic. The traditional manual test can not be achieved these characteristics. It is a trend for testing the equipment by automatic test system.

GPIB, VXI, PXI is available for automatic test system standard bus line. As the performance of GPIB is stable, easy to operate and low price, so it obtain the acceptance of users. So we choose the GPIB as the bus line for the test system of digital oscilloscopes.

by: ellashining

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