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152
Chapter 4
Calibration
Partial overwrite
Step 7.
Press
Transmission
.
Step 8.
Make a thru connection between test ports x and y (between the connectors to which the
DUT is connected) selected in Step 6.
Step 9.
Press
Port x-y Thru
(
x
and
y
are the thru-connected port numbers) to start the
re-measurement of the calibration standard.
Step 10.
Press
Return
.
Step 11.
Press
Overwrite
to finish the re-calibration for the full 2-port calibration.At this point, the
calibration coefficients are re-calculated and saved.
Improving accuracy of measurement using partial overwrite (thru
calibration) along with ECal
Inaccuracy caused by the ECal thru calibration standard can be reduced by performing thru
measurement with the calibration kit and partial overwrite after the execution of full N-port
calibration with ECal.
For example, follow these steps for full 2-port calibration.
Step 1.
Execute full 2-port calibration according to the procedure of “Full 3-Port and Full 4-Port
Calibration using 2-Port ECal” on page 132 and save the calibration coefficients.
Step 2.
Execute steps from Step 2 to Step 11 of “Partial overwrite” with the thru standard of the
calibration kit.
Summary of Contents for E5070B
Page 6: ......
Page 30: ...24 Contents ...
Page 34: ...28 Chapter1 Precautions Before contacting us ...
Page 286: ...280 Chapter6 Data Analysis Using the Equation Editor ...
Page 430: ...424 Chapter12 Optimizing Measurements Performing a Segment by Segment Sweep segment sweep ...
Page 538: ...532 Chapter15 Measurement Examples Executing Power Calibration ...
Page 634: ...628 AppendixB Troubleshooting Warning Message ...
Page 732: ...726 AppendixD Softkey Functions Trigger Menu ...
Page 740: ...734 AppendixE General Principles of Operation Data Processing ...
Page 760: ...754 AppendixF Replacing the 8753ES with the E5070B E5071B Comparing Functions ...