Service Guide 11-7
8719ET/20ET/22ET Error Terms
8719ES/20ES/22ES Error Term Inspection
RF Network Analyzers
4. Compare the displayed measurement trace to the trace shown in “Error Term
Descriptions” on page 11-10 and to previously measured data. If data is not available
from previous measurements, refer to the typical uncorrected performance
specifications listed in Table 11-3 and Table 11-4.
5. Print or plot the measurement results:
a. Connect a printer or plotter to the analyzer.
b. Press and select the
appropriate peripheral to verify that the GPIB address is set correctly on the
analyzer.
c. Press and then choose either or .
d. Press and title each data trace so that you can identify it
later.
NOTE For detailed information on creating hardcopies, refer to the “Printing,
Plotting, and Saving Measurement Results” chapter in the analyzer user’s
guide.
6. Repeat steps 1 through 5 for each test number that corresponds to a calibration
coefficient (see Table 11-1 and Table 11-2).
If Error Terms Seem Worse than Typical Values
1. To verify that the system still conforms to specifications, perform a system verification,
refer to Chapter 2 , “System Verification and Performance Tests.”
2. If system verification fails, refer to Chapter 4 , “Start Troubleshooting Here.”
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