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Controlling differential conductance in terms of voltage.

6220, 6221 Current Sources
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Joined: October 14th, 2014, 2:59 am
Country: India

Controlling differential conductance in terms of voltage.

Post by vaibhavinegi » June 22nd, 2015, 11:20 pm

Using 6221 and 2182A how can we control differential conductance measurement in terms of voltage.
It always shows an error. continuously beeps and doesn't stops.
Vaibhavi Negi
Research Scholar
Delhi; India

Andrea C
Keithley Applications
Keithley Applications
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Joined: October 15th, 2010, 10:35 am
Country: United States

Re: Controlling differential conductance in terms of voltage

Post by Andrea C » July 29th, 2015, 8:14 am

Since the test is being conducted with a current source, you cannot directly control it in terms of voltage.

I think you are referring to the KI6220 utility program that does offer the GUI feature to control the differential conductance test in terms of voltage. But ultimately, the requested voltages are converted to current source values using Ohms Law and an estimate of device resistance that you input.

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