Improving Calibration Accuracy along with ECal
Inaccuracy caused by Thru calibration in the ECal can be reduced by the
using the following methods.
Partial Overwrite
•
Unknown Thru Calibration
•
Other topics about Calibration with ECal
Partial Overwrite
Using the partial overwrite function allows you to improve the calibration
accuracy. For example, follow these steps for full 2-port calibration.
1. Execute full 2-port calibration with ECal and save the calibration
coefficients.
2. Execute Partial overwrite procedure with the Thru standard of the
calibration kit
Unknown Thru Calibration
E5071C allows you to perform Thru calibration of ECal as the unknown
Thru calibration. In this function, the Thru calibration is performed with
the Thru standard in ECal, however, the stored Thru calibration data in
ECal is not used. E5071C performs the Thru calibration as an unknown
Thru calibration.
1. Press
Cal
2. Click Unknown Thru to turn on.
3. Perform your desired ECal calibration.
Key, then click ECal.
Measurement
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