5-20 Keysight E5260/E5270 User’s Guide, Edition 6
Front Panel Operations
Applying Source Output
To Switch ASU Internal Connection
The Keysight E5260 series does not have this function. This function is available for
the Keysight E5270B installed with the high resolution SMU (HRSMU).
To use the ASU (Atto Sense and Switch Unit), connect the ASU to the HRSMU
properly. The ASU adds the 1 pA range to the HRSMU. Connection must be done
before the Keysight E5270B is turned on.
If you use other instrument such as C meter, connect the instrument to the AUX
input of the ASU. The ASU provides the input selection function.
The following procedure switches the ASU input resource (HRSMU or the
instrument connected to the AUX input) to be connected to the ASU output.
1. Press the
Shift
key and the
CPL Value
key.
The input resource will be switched. If you perform this key operation again, the
connection will be switched to the previous resource. This key operation is
available when you are setting the HRSMU connected to the ASU.
2. Press the
OutCh
key if you are setting the ASU for another channel, and perform
1.
NOTE The ASU can be used with only the HRSMU that was connected to it when the
performance verification was performed. To confirm if the ASU is the correct one,
see “To Display Module Serial Number” on page 5-13.
When the E5270B is turned on, the SMU side is connected to the ASU output.
When the AUX side is connected to the ASU output, the HRSMU cannot be used.
Then the Output indicator displays the reversed triangle mark.
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