Typical Preamplifier Matrix Card Connections - Keithley 4200A-SCS Reference Manual

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Model 4200A-SCS Parameter Analyzer Reference Manual

Appendix A: Using switch matrices

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.

4200A-901-01 Rev. C / February 2017