Tektronix Keithley 4200A-SCS - Typical Preamplifier Matrix Card Connections

Model 4200A-SCS Prober and External Instrument Control Section 2: Using switch matrices
4200A-913-01 Rev. A December 2020 2-9
Typical preamplifier matrix card connections
The following figure shows typical preamplifier matrix card connections using local sensing. This
configuration is similar to the SMU configuration shown in the previous figure, except that
preamplifiers are added for low-current source-measure capabilities. The preamplifier FORCE
terminals are connected to the matrix card rows, while the DUT HI terminals are connected to the
matrix card columns. All 12 DUT LO terminals are connected together, and the common DUT LO
signal is connected to the ground unit FORCE terminal. Any preamplifier FORCE terminal can be
connected to any DUT HI terminal by closing the appropriate matrix crosspoint.
Figure 7: Preamplifier matrix card connections