Agilent Technologies B2902 Guía de usuario Pagina 49

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Agilent B2900 Users Guide, Edition 2 2- 9
Introduction
Source/Measure Unit
Source/Measure Unit
The source/measure unit (SMU) can apply voltage or current, and can measure
current or voltage.
Figure 2-1 shows a simplified SMU circuit diagrams. The SMU can perform the
following operations.
Applies voltage and measures current
Applies current and measures voltage
Applies voltage and measures voltage
Applies current and measures current
Figure 2-1 Simplified SMU Circuit Diagram
High Force
Chassis ground
V
A
+
-
+-
High Sense
4-wire connections
Low Sense
Low Force
High Force
Chassis ground
V
A
+
-
+-
Low Force
2-wire connections
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