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DPScope - Build Your Own USB/PC-Based Oscilloscope

Step 37Scope Software

Scope Software
The DPScope is controlled by the DPScope software running on the PC. The user interface gives you full access to all the features of the DPScope like horizontal and vertical resolution, trigger settings, acquisition settings (e.g. averaging, pre- and posttrigger range), and so on.

One neat feature is the FFT (frequency display) mode - in this mode the software performs a real-time Fast Fourier Transform (FFT) on the data, so you see the frequency spectrum of the signal(s). This is a great tool e.g. to pinpoint small periodic noise that would be difficult to see in the normal scope display, and also to acquire an intuitive feel for the frequency domain.

Another mode is the X-Y-mode where you plot one signal versus the other (instead of both signals versus time). This allows quick characterization of components and phase shifts.

For a detailed description you should download the DPScope User Manual.

Attached below are a few screenshots that show the DPScope in action.

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Author:womai