
7- 46 Agilent B1500 User’s Guide, Edition 7
Function Details
Atto Sense and Switch Unit
Atto Sense and Switch Unit
The Atto Sense and Switch Unit (ASU) can be used with the high resolution SMU
(HRSMU). Using the ASU permits use of the 1 pA range. Also the ASU can switch
the measurement resources, HRSMU or an instrument connected to the AUX input
connectors. The ASU can configure two setups shown in Figure 7-22. When the
B1500A is turned on, the ASU will be the Setup 1 condition. See “To Connect
ASU” on page 3-17 to install the ASU properly.
The ASU has input connectors, one triaxial an
d two coaxial. The triaxial connector
must be connected to the HRSMU Force, and the coaxial connectors must be
connected to an instrument. Also the ASU has the control connector to be connected
to the HRSMU by using the ASU cable.
Figure 7-22 ASU Input/Output Connections
The ASU has the following status indicators (LED).
SMU The HRSMU can be used (Setup 1).
AUX The AUX instrument can be used (Setup 2).
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