Voltage Reading Disconinuities
Posted 27 March 2013 - 02:29 PM
Posted 27 March 2013 - 03:21 PM
Posted 28 March 2013 - 08:48 AM
That does not raise a flag as a common problem. Can't think of anything in particular about those voltages. Can you do some sort of test with a different signal to see if anything interesting happens at the same voltages? You could use DAC0, or use a potentiometer.
I did the test with both a lab power supply as well as the DAC0 input and noticed the same issues (discontinuities at 0.4 V and 1.05 V). I actually have 2 U6's so I tried all the tests with the second labjack. None of these issues were present. As such, the issue is with the analog inputs of the initial U6. Now the question is, can this be fixed?
Posted 28 March 2013 - 01:46 PM
What exactly happens at these voltages? What is the discontinuity?
Do you see the problem with our software? Try LJLogUD or the test panel in LJControlPanel. If you see the same thing, email [email protected] as we probably need to look at the device.
The discontinuity is a sudden 4 mV change from the expected behaviour, and is not a problem with the software. I'm sending an email to the support, thanks for your help
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