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Model 2520 User's Manual
Figure 5-11
Loading effects
Output
Voltage (V)
A. Normal Current Source Operation
Output
Voltage (V)
B. Current Source in Compliance
Voltage Limit
Load Line
10.5V
5V
Output Current (mA)
V = I • R
= (100mA)(50Ω)
= 5V
Voltage Limit
Load Line
10.5V
Output Current (mA)
I = V/R
= 10V/125Ω
= 80mA
Operating
Point
Current Source
Load Line
100mA
Operating
Point
Current Source
Load Line
80mA
100mA
Source-Measure Concepts
5-11
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