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V comp is set to 8v.
I init the sweep, the k2400 starts @-103mA and ends @130mA as seen on the dsiplay.
I transfer the buffer and plot and it shows the sweep starts and ends at ~ +-60mA keeping the number of steps correct. There are several points at compliance on either end.
Does the K2400 automatically scale the dCi when it hits compliance on a memory sweep? I don't see any reference of this in the tech manual.
I can increase the current range by increasing Vcomp. Of course if I never hit vcompliance the entire current range sepcified is in the buffer.
- Keithley Applications
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- Joined: June 10th, 2010, 6:22 am
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This maybe the reason you are seeing the current range shift.
Sometimes it is advantageous to go into compliance, but not in this case.
I would recommend to either increase the compliance level(if your device can take it) or decrease the current level so as not to go into compliance.
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