Keithley 2520 User Manual page 21

List of Illustrations
1
Figure 1-1
Figure 1-2
Figure 1-3
Figure 1-4
2
Figure 2-1
Figure 2-2
Figure 2-3
Figure 2-4
Figure 2-5
Figure 2-6
3
Figure 3-1
Figure 3-2
Figure 3-3
Figure 3-4
4
Figure 4-1
5
Figure 5-1
Figure 5-2
Figure 5-3
Figure 5-4
Figure 5-5
Figure 5-6
Figure 5-7
Figure 5-8
Figure 5-9
Figure 5-10
Figure 5-11
Figure 5-12
6
Figure 6-1
Getting Started
Mainframe front panel ...........................................................
Mainframe rear panel .............................................................
Testhead front panel ...............................................................
Testhead rear panel ..............................................................
Connections
Testhead connections .............................................................
Testhead signal connectors ....................................................
DETECTOR connector terminals ..........................................
Remote interlock connections ................................................
Laser diode test connections ..................................................
Equivalent circuit of laser diode test connections ..................
Basic Operation
Basic circuit configuration .....................................................
Laser diode current source polarity .......................................
Laser diode measure polarity .................................................
Detector current measurement polarity ..................................
Laser Diode Testing
Circuit configuration for laser diode testing ..........................
Source-Measure Concepts
Delay-pulse cycle ...................................................................
Front panel fixed mode pulse parameters ..............................
Front panel staircase sweep mode pulse parameters .............
Front panel staircase sweep mode DC parameters ................
Remote fixed mode pulse parameters ....................................
Remote staircase sweep mode pulse parameters ...................
Pulse characteristics ...............................................................
Sweep waveform types ..........................................................
Custom sweep waveform .......................................................
Current source limit lines .....................................................
Loading effects ....................................................................
Data flow-front panel ...........................................................
Range, Filter, and Math
Averaging filter during sweep ................................................
1-6
1-8
1-9
1-10
2-4
2-5
2-6
2-7
2-8
2-9
3-5
3-6
3-7
3-8
4-3
5-2
5-4
5-5
5-5
5-6
5-7
5-7
5-9
5-9
5-10
5-11
5-13
6-5