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My fast code is working- I need to update the earlier post- well, it at least appears to work, but I'm getting unexpected results in my data.
I'd like to sample more than a single point at each step of the voltage sweep. I am currently looping and running my IV about 4 times, but I'd much rather sit at a step for about 4 samples. I do not want an average, I want my final data to be a point-cloud that I can then do other math on in matlab or python.
Due to the nature of my test, it's possible that a linear sweep from negative to positive and repeating that is not getting me the expected spread in my data.
I know there's an ARM function (very unsure about this), but I suspect it merely loops through the sweep, is this correct?
Is there a way other than a list sweep to stay at each voltage in my sweep for more than one sample/point?
Thank you for your thoughts!!
- Keithley Applications
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So list sweep would be your option for obtaining multiple readings at the same source value.
How critical is the time delta between each reading? A loop from your python code where you command a source value and then take your N readings and then step to next source value might be a more flexible overall approach. In general, the throughput of these repeated single point readings is not as fast as trigger model sweeps, but depending on your needs, it might suffice.
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