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Chapter 4
169
Calibration
Adapter Removal-Insertion
4. Cal
ibra
tion
About Adapter Insertion
This above described method also makes it possible to add adapter characteristics to a port
with full n-port calibration. This allows you to make a measurement with the adapter.
E5070B/E5071B uses the following adapter insertion process to insert adapter
characteristics.
1. Perform calibration without the adapter in use.
2. Insert the adapter to the port and measure Open, Short and Load values to determine
the adapter’s characteristics.
3. Insert the obtained adapter characteristics to the error coefficients in an De-embedding
fashion.
In order to determine the adapter characteristics (with four unkown parameters) by making
three measurements (Open, Short and Load), the adapter must satisfy the following
requirements.
•
Adapter must be reciprocal (with S21 and S12 equal) in nature. It should have a
consistent behavior, independent of the direction from which it is used.
•
The electrical length of adapter should be known at an accuracy of
±
1/4 of wavelength.
Figure 4-45
Adapter insertion for E5070B/E5071B
Содержание E5070B
Страница 6: ......
Страница 30: ...24 Contents ...
Страница 34: ...28 Chapter1 Precautions Before contacting us ...
Страница 286: ...280 Chapter6 Data Analysis Using the Equation Editor ...
Страница 430: ...424 Chapter12 Optimizing Measurements Performing a Segment by Segment Sweep segment sweep ...
Страница 479: ...473 14 Controlling E5091A 14 Controlling E5091A This chapter explains how to control the E5091A multiport test set ...
Страница 538: ...532 Chapter15 Measurement Examples Executing Power Calibration ...
Страница 604: ...598 AppendixA Manual Changes Manual Changes Figure A 12 Two port Touchstone file Figure A 13 Three port Touchstone file ...
Страница 634: ...628 AppendixB Troubleshooting Warning Message ...
Страница 732: ...726 AppendixD Softkey Functions Trigger Menu ...
Страница 740: ...734 AppendixE General Principles of Operation Data Processing ...
Страница 760: ...754 AppendixF Replacing the 8753ES with the E5070B E5071B Comparing Functions ...