Keithley 2500 - Page 26

List of Illustrations
1 Getting Started
Figure 1-1 Front panel ............................................................................. 1-6
Figure 1-2 Model 2500 rear panel ........................................................... 1-8
Figure 1-3 Model 2502 rear panel ........................................................... 1-9
Figure 1-4 Main menu tree .................................................................... 1-22
2 Connections
Figure 2-1 Model 2500 rear panel showing INPUT and
OUTPUT connectors ......................................................... 2-2
Figure 2-2 INPUT connector terminals ................................................... 2-3
Figure 2-3 Typical photodiode connections ............................................ 2-5
Figure 2-4 Equivalent circuit of photodiode test connections ................. 2-6
Figure 2-5 Test connections using ground connect mode ....................... 2-7
Figure 2-6 Ground connect mode equivalent circuit ............................... 2-8
Figure 2-7 Stand-alone current measurement connections ...................... 2-9
Figure 2-8 Stand-alone voltage source connections .............................. 2-10
Figure 2-9 Analog output connector terminals ...................................... 2-11
Figure 2-10 Non-isolated analog output connections .............................. 2-12
Figure 2-11 Isolated analog output connections ...................................... 2-13
Figure 2-12 Analog output equivalent circuit with ground
connect disabled .............................................................. 2-14
Figure 2-13 Analog output equivalent circuit with ground
connect enabled ............................................................... 2-15
3 Basic Operation
Figure 3-1 Basic circuit configuration ..................................................... 3-3
Figure 3-2 Output slew time .................................................................... 3-6
Figure 3-3 Ground connect enabled ........................................................ 3-9
Figure 3-4 Ground connect disabled ....................................................... 3-9
Figure 3-5 Circuit configuration for basic measurements ..................... 3-10
4 Photodiode Measurements
Figure 4-1 Measurement configuration menu tree .................................. 4-2
Figure 4-2 Circuit configuration for photodiode measurements ............. 4-4
5 Measurement Concepts
Figure 5-1 Source-delay-measure (SDM) cycle ...................................... 5-2
Figure 5-2 Simplified trigger model ........................................................ 5-3
Figure 5-3 Basic sweep waveform types ................................................. 5-4
Figure 5-4 Bias source limit lines ............................................................ 5-6
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