Keithley 6220 DC

2 Output Connections
Output connectors ................................................................................................... 2-2
Triax connector ................................................................................................ 2-2
Ground points .................................................................................................. 2-3
LO and GUARD banana jacks ........................................................................ 2-3
INTERLOCK .................................................................................................. 2-4
Output configurations ............................................................................................. 2-5
Triax inner shield ............................................................................................. 2-6
Triax output low .............................................................................................. 2-7
Guards ..................................................................................................................... 2-8
Triax Cable Guard .......................................................................................... 2-8
Floating the current source ..................................................................................... 2-9
Connections to DUT ............................................................................................... 2-9
Supplied triax cable ......................................................................................... 2-9
Basic connections .......................................................................................... 2-10
Shields and guarding ..................................................................................... 2-10
Using a test fixture ................................................................................................ 2-12
3 DC Current Source Operation
Current source output capabilities .......................................................................... 3-2
Source ranges .................................................................................................. 3-2
Compliance ...................................................................................................... 3-3
Output power (source or sink) ......................................................................... 3-3
Output response .............................................................................................. 3-5
Setting source and compliance ............................................................................... 3-8
Source and compliance editing ....................................................................... 3-8
Autorange ....................................................................................................... 3-11
Source preset ................................................................................................. 3-12
Sourcing current ................................................................................................... 3-12
Remote programming – source output commands ........................................ 3-15
Applications .......................................................................................................... 3-16
4Sweeps
Sweep overview ...................................................................................................... 4-2
Linear staircase sweep ..................................................................................... 4-2
Logarithmic staircase sweep ........................................................................... 4-2
Custom sweep ................................................................................................. 4-2
Sweep characteristics .............................................................................................. 4-4
Custom sweep editing ..................................................................................... 4-4
Using auto-copy with custom sweeps ............................................................. 4-4
Source ranging ................................................................................................. 4-4
Sweep delay ..................................................................................................... 4-5