2-28 Keysight B1505A User’s Guide, Edition 12
Introduction
Measurement Resources
About SMU
Source/monitor unit (SMU) can apply DC voltage or current, and can measure DC
current or voltage. Figure 2-2 is a simplified SMU circuit diagram.
The HPSMU and MPSMU can perform the following operations:
• Apply voltage and measures current or voltage
• Apply current and measures current or voltage
The HCSMU, MCSMU, and HVSMU can perform the following operations:
• Apply voltage and measures current and/or voltage
• Apply current and measures current and/or voltage
NOTE To select the SMU operation mode in the GPIB remote condition, enter the CMM
command.
Figure 2-2 Simplified SMU Circuit Diagram
Compliance
The SMU has a compliance feature that limits output voltage or current to prevent
damage to the device under test. When the SMU applies voltage, you can specify
current compliance. When the SMU applies current, you can specify voltage
compliance. For details about the compliance, see Keysight EasyEXPERT User’s
Guide.
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