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Posted

 Will it be possible to elaborate on AO channels . Can it be used to generate waveforms like sine /cosine/triangle etc waves. 
what frequency can we generate 

what is the number of samples/data points in generated waveform ? 

Posted

The AO channels can be used to generate waveforms. You can send the driver a buffer representing the waveform, and if you set the options to CONTINUOUS mode, it will output the signal repeatedly until told to stop. You can send an updated buffer to change the output at any time. The AOs are controlled by a single clock separate from the AI clock and can be set as high as 1 MHz. The waveform frequency is a factor of the clock frequency and the buffer size. For example, 1000 values at 1 MHz is 1 / 1000 * 1us or 1000Hz. Buffers are maintained in computer memory, so the buffer size is limited only by how much memory you can allocate. 

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