Keithley 6220

Sweep characteristics .............................................................................................. 4-4
Linear staircase sweeps .................................................................................... 4-4
Logarithmic staircase sweeps .......................................................................... 4-5
Custom sweeps ................................................................................................ 4-6
Setting sweep parameters ................................................................................. 4-8
Front panel sweep operation ................................................................................. 4-10
Using the sweep configuration menu ............................................................. 4-10
Performing a linear staircase sweep ............................................................... 4-11
Performing a log staircase sweep ................................................................... 4-12
Performing a custom sweep ........................................................................... 4-13
Remote sweep operation ....................................................................................... 4-14
Running a linear staircase sweep ................................................................... 4-15
Running a log staircase sweep ....................................................................... 4-16
Running a custom sweep ............................................................................... 4-17
SCPI commands — sweeps ........................................................................... 4-18
Coupled sweep commands ............................................................................. 4-22
Sweep status model events ............................................................................. 4-23
5 Delta, Pulse Delta, and Differential Conductance
Part 1 ....................................................................................................................... 5-2
Overview ................................................................................................................. 5-2
Section overview .............................................................................................. 5-2
Operation overview .......................................................................................... 5-2
Test systems ............................................................................................................ 5-4
Keithley instrumentation requirements ............................................................ 5-4
System configurations ...................................................................................... 5-4
System connections .......................................................................................... 5-6
DUT test connections ....................................................................................... 5-8
Configuring communications ......................................................................... 5-10
Arming process .............................................................................................. 5-11
Interlock ......................................................................................................... 5-13
Data flow and read commands .............................................................................. 5-13
Data flow ........................................................................................................ 5-13
Read commands ............................................................................................. 5-15
Measurement units ................................................................................................ 5-16
Volts, ohms, power or conductance ............................................................... 5-16
Setting measurement units ............................................................................. 5-17
Display readings ............................................................................................ 5-17
Error and status messages ..................................................................................... 5-18
Part 2 ..................................................................................................................... 5-20
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