
Agilent B1500A/B1505A Programming Guide, Edition 11 1-17
Programming Basics
Getting Started
To Control SCUU
This function is available for Agilent B1500A. SCUU (SMU CMU unify unit) can
be used with one capacitance measurement unit (CMU) and two SMUs (MPSMU or
HRSMU). The SCUU cannot be used with the HPSMU or when only one SMU is
connected. The SCUU input to output connection can be controlled by the following
commands. When the B1500 is turned on, the SCUU input to output connection is
not made (open).
Table 1-5 SCUU Input Output Connection Control
Force1/Sense1 is connected to the SMU installed in the slot numbered slot-1.
Force2/Sense2 is connected to the SMU installed in the slot numbered slot-2.
where, slot is the slot number given by chnum. When the SCUU input to output
connection is made, the measurement unit output switch will be automatically set to
ON.
When the connection is changed from SMU to CMU, the SMU output will be set as
follows. The other setup parameters are not changed.
Output voltage 0 V
Output range 100 V
Compliance 20 mA
Series resistance OFF
When the connection is changed from CMU to SMU, the SMU output will be set as
follows. The other setup parameters are not changed.
Output voltage 0 V
Output range 20 V
Compliance 100 μA
Series resistance Condition before the connection is changed from SMU to CMU
Command
SCUU output connection after the command
CMUH/Force1/Sense1 CMUL/Force2/Sense2
SSP chnum, 1 Force1/Sense1 Open
SSP chnum, 2 Open Force2/Sense2
SSP chnum, 3 Force1/Sense1 Force2/Sense2
SSP chnum, 4 CMUH CMUL
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