-SCS Pulse Card (PGU and PMU) User's Manual Section 6:
Use the RPM to switch the SMU, CVU, and PMU
4200A-PMU-900-01 Rev. B March 2023 6-5
The output terminals of 4225-RPM Channel 2 are connected to the cathode of the diode using the
same cables and triaxial tee as those for Channel 1. To prevent noisy measurements, enclose the
diode in a conductive shield connected to the Force LO terminal of the 4200A-SCS.
Figure 120: Connections from the 4200A-SCS and 4225-RPMs to the diode
1
4200-TRX-2 or 4200-MTRX-2 triaxial-to-triaxial cables.
2
CA-534-24 triaxial-to-triaxial cables.
3
4
Diode.
5
Diode enclosed in conductive shield connected to Force LO.
6
CA-547-2A RPM interconnect cables.
Connect the 4200A-SCS to the DUT
The following figure shows the 4200A-SCS rear panel connections to the input terminals of two
4225-RPMs and from the outputs of the 4225-RPMs to the diode.
The diode is enclosed in a conductive shield connected to Force LO of the 4200A-SCS.
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