Measurement Studio for VC++

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DAC DOUBLE BUFFERING

I am using  NI 6733 multifunction i/o card for generating DAC outputs from a stored profile.

The requirement is to output a profile of different waveforms like sine ,ramp ,step etc over a 

period of 1000 seconds without program intervention to load each DAC value.

 

We were trying to use the double buffer scheme in which one data from one buffer will be outputting

while we can fill the other half buffer. Is there any example program available for doing this?

 

We could generate a sine wave but if the update rate for waveform generation is changed ,it is seen

that amplitude of sine wave also is varying. How can we control the amplitude of the sine output?

 

 

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