Keysight E4980A User Manual page 452

Bias Current Interface
Preparation
40 A System
Connect the E4980A/AL to the 42841A and the 42842B as shown in
on page 453
1. Connect the UNKNOWN terminal of the E4980A/AL to the TO UNKNOWN
terminal of the 42842B using the 16048A test lead.
2. Connect the 42842B test fixture directly to the front panel of the 42841A.
3. Connect the DC Bias Current Output Connector of the 42841A (that is not
connected to the 42842B and DC Bias Current Input Connector of the
42842B side panel) using a 42843A Bias Current Cable.
4. Connect the E4980A/AL Bias Current Interface connector to the Bias
Current Control Input A connector of the 42841A using the furnished Bias
Current Interface Cable (1) and the adapter. The cable is furnished with
the 42841A and the adapter is furnished with the E4980A/AL.
5. Connect the 42841A Bias Current Control Input B connector connected to
the 42842B to the Bias Current Control Input A connector of the other
42841A using the furnished Bias Current Interface Cable (2).
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using the following procedure.
Keysight E4980A/AL User's Guide
Figure D-2