C External Instrument Calibration
64 Keysight E6961A User Guide and Method of Implementation
2 Connect one end of two short SMA-to-SMA cables to the SMA test points for
the pair you are testing (A, B, C, or D) on Section 1 of the test fixture. Connect
the other end to the two SMA test points on Section 10 on the test fixture.
3 Connect a ENA input to the SMA test point on Section 10 on the test fixture.
4 Calibrate the ENA using the instructions in the ENA’s User’s Guide. The
following is a list of setup requirements.
– Set Meas to Ref1 Fwd S11.
– Set Start to 1 MHz.
– Set Stop to 100 MHz.
– Set Format to Log Mag.
– Set Scale Div to 5.
– Set Scale Ref to reference line position 9.
5 5 Run the calibration for the OPEN, SHORT, and LOAD connections. For
connectors other than RJ45, a custom calibration kit will need to be
developed.