Improving Accuracy Of Measurement Using Partial Overwrite (Thru Calibration) Along With Ecal - Agilent Technologies ENA Series User Manual

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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

re-measurement of the calibration standard.

Step 10. Press

Step 11. Press

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.

are the thru-connected port numbers) to start the

to finish the re-calibration for the full 2-port calibration.At this point, the

Troubleshooting

E5070b E5071b