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Minimizing Glitches on the Output Signal

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    Last Modified: February 26, 2018

    When you use a DAC to generate a waveform, you may observe glitches on the output signal. These glitches are normal; when a DAC switches from one voltage to another, it produces glitches due to released charges. The largest glitches occur when the most significant bit of the DAC code changes. You can build a lowpass deglitching filter to remove some of these glitches, depending on the frequency and nature of the output signal. Go to ni.com/support for more information about minimizing glitches.


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