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Introduction This post shows the result of some experiments with noise generation. The first stage was covered here, and the circuit is now extended to become a useful test tool. If you’re a beginner in Engineering, don’t let the graphs below scare you away – the information is not necessary to assemble and learn about programmable logic, nor to make use of the tool. The image here shows some example output. What is Noise? In plain English it is a signal which is unwanted. O ...
This post provides information on how to configure and collect data from oscilloscopes (or other test equipment) via your PC. The example here shows how to configure, collect, process and plot data all from a single free open source application; GNU Octave. It is simple to use and the code is attached below; plug in the oscilloscope, start up Octave, and type just one line to capture from the oscilloscope and plot to the screen. You can then give it a title and axis names and save the graphic i ...

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