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Changing Low current value of Pulse Delta mode.

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vaibhavinegi
Posts: 31
Joined: October 14th, 2014, 2:59 am
Country: India

Changing Low current value of Pulse Delta mode.

Post by vaibhavinegi » May 5th, 2015, 3:23 am

I am using 6221 and 2182A devices for delta mode.
Is there any way in pulse delta mode to change the low current measurement from 0 to negative of the high current as in delta mode?
Basically in pulse detla the voltage is determined by (2B-A-C)/2 where A and C are voltage at 0 current and B is value at high value of current
and in delta it is (A-2B-C)/4 where A,C are voltage at high current and B is voltage at negative of high current.
But in delta there is no option of sweep from One value to another as in pulse we have three mode Linear, Logarithmic and Custom.
Is there any option to perform sweep measurements from delta
or
To change the low current measurement from 0 to negative of the high current in Pulse delta?
Vaibhavi Negi
Research Scholar
Delhi; India

Dale C
Keithley Applications
Keithley Applications
Posts: 2841
Joined: June 10th, 2010, 6:22 am
Country: United States
Contact:

Re: Changing Low current value of Pulse Delta mode.

Post by Dale C » May 18th, 2015, 7:38 am

Yes. the LOW of Pulse delta can be configured.
Either use front panel controls.
CONFIG,
PULSE
Select I HIGH and I LOW.

or use the SCPI commands.
:SOURCE:PDELTA:HIGH 1e-3
:SOURCE:PDELTA:LOW -1e-3

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