Multifunction DAQ

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how do I synchronize multiple ai

Hi Jordan,

 

If I look at each channel separately, they both measure between 15-20mV with a signal on (I'm measuring the voltage of photodiodes).  With the signal off, I measure a voltage of 2-3mV.  If the trigger pulse in not in sync with the signal then I measure 2-3mV.  If you look at the front panel picture that is attached above, you can see that channel 1 (white trace) is reading a signal but channel 2 (red trace) isn't.  Both channels should be reading a voltage around 20mV.  If I switch the channels around so that channel 2 in created first then channel 2 will measure around 20mV and Channel 1 will measure 2mV.

 

I hope this makes sense.  Thanks for your time.

 

Ben 

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