Module 7
Measurement Functions
7-6
z Use the HPSMU or GNDU as the current return path
z Use Kelvin connections (must use on GNDU)
z Use 16493L GNDU cable for the GNDU connection
S
F
F
S
HRSMU
or
MPSMU
HPSMU 1.0 A
GNDU 4.2 A
Hints on Pulsing the HPSMU
The 1 A SMU (HPSMU) cannot use another MPSMU or HRSMU as the current return. It must be
used with the other HPSMU or the GNDU that can sink enough current. The GNDU is the unit that
you can use without defining in the Channel Setup.
The GNDU can sink up to 4.2 A, and it is designed for the Kelvin connection. The force and sense
lines must be shorted near the DUT.
For the connection of the GNDU, do not use the normal triaxial cable. The GNDU is rated for up to
4.2 A, while the maximum current rating of the triaxial cable is 1 A.
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