Keithley 6220 DC

List of Illustrations
1 Getting Started
Figure 1-1 Models 6220 and 6621 front panels .................................................................... 1-5
Figure 1-2 Model 622x rear panel ........................................................................................ 1-8
Figure 1-3 Menu editing keys ............................................................................................. 1-14
2 Output Connections
Figure 2-1 Triax connector and grounds points .................................................................... 2-2
Figure 2-2 LO and GUARD banana jacks ........................................................................... 2-3
Figure 2-3 INTERLOCK ...................................................................................................... 2-4
Figure 2-4 Output configurations – triax inner shield connected to Output Low ................ 2-5
Figure 2-5 Output configurations – triax inner shield connected to Cable Guard ............... 2-6
Figure 2-6 Basic connections to DUT ................................................................................ 2-10
Figure 2-7 Noise shield ...................................................................................................... 2-10
Figure 2-8 Safety shield ...................................................................................................... 2-11
Figure 2-9 Cable Guard connections – triax inner shield connected to Cable Guard ........ 2-11
Figure 2-10 Connections for noise shield, safety shield, and guarding ................................ 2-12
3 DC Current Source Operation
Figure 3-1 Output boundaries (source and sink) .................................................................. 3-5
Figure 3-2 Source and compliance editing – Model 6220 ................................................... 3-8
Figure 3-3 Source and compliance editing – Model 6221 ................................................. 3-10
4Sweeps
Figure 4-1 Comparison of sweep types ................................................................................ 4-3
5 Delta, Pulse Delta, and Differential Conductance
Figure 5-1 Delta, Pulse Delta, and Differential Conductance measurements ...................... 5-3
Figure 5-2 System configurations for Delta, Pulse Delta, and Differential Conductance .... 5-5
Figure 5-3 System connections – stand-alone operation ...................................................... 5-6
Figure 5-4 System connections – PC control of Model 622x .............................................. 5-7
Figure 5-5 Guarded test connections .................................................................................... 5-8
Figure 5-6 Delta measurement technique ........................................................................... 5-14
Figure 5-7 Pulse Delta 3-point measurement technique ..................................................... 5-21
Figure 5-8 Pulse timing ...................................................................................................... 5-24
Figure 5-9 Pulse sweep output examples ........................................................................... 5-25
Figure 5-10 Differential Conductance measurement process ............................................... 5-35
6 Averaging Filter, Math, and Buffer
Figure 6-1 Buffer recall ........................................................................................................ 6-9