8 Source-Measure Concepts
Overview .................................................................................................... 8-2
Compliance limit ......................................................................................... 8-2
Maximum compliance .......................................................................... 8-2
Compliance principles ......................................................................... 8-3
Sweep waveforms ...................................................................................... 8-4
Staircase sweeps ................................................................................. 8-4
Pulse sweeps ....................................................................................... 8-5
Overheating protection ............................................................................... 8-6
Power equations to avoid overheating ................................................ 8-6
Operating boundaries ............................................................................... 8-10
Source or sink .................................................................................... 8-10
Continuous power operating boundaries ........................................... 8-10
I -Source operating boundaries ......................................................... 8-12
V-Source operating boundaries ......................................................... 8-18
Source I measure I, source V measure V .......................................... 8-24
Basic circuit configurations ....................................................................... 8-24
Source I ............................................................................................. 8-24
Source V ............................................................................................ 8-25
Measure only (V or I) ......................................................................... 8-26
Contact check .................................................................................... 8-27
Guard ....................................................................................................... 8-29
Guard overview ................................................................................. 8-29
Guard connections ............................................................................ 8-29
Pulse concepts ......................................................................................... 8-32
Pulse period ....................................................................................... 8-32
Pulse rise and fall times ..................................................................... 8-32
Pulse duty cycle ................................................................................. 8-33
Settling time considerations ..................................................................... 8-34
Reduction in gain-bandwidth ............................................................. 8-34
9 System Expansion (TSP-Link)
Overview .................................................................................................... 9-2
Master and Slaves ............................................................................... 9-2
System configurations ......................................................................... 9-2
Connections ............................................................................................... 9-3
Initialization ................................................................................................ 9-3
Assigning node numbers ..................................................................... 9-3
Resetting the TSP-Link ........................................................................ 9-4
Using the expanded system ....................................................................... 9-6
Accessing nodes ................................................................................. 9-6
System behavior .................................................................................. 9-7