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Fig. 7.30 [Electronic calibration kit] Interface
Process of electronic calibration:
1. Connect one end of the USB cable to the USB interface of the electronic calibration kit and the other end to the USB interface of
the front panel or rear panel of the vector network analyzer. Run the vector network analyzer to preheat it for 30min at least. At
the same time, the red WAITING indicator of the electronic calibration kit will be lit, indicating that preheating of the electronic
calibration kit is started. Generally, the 2-port electronic calibration kit should be preheated for 10min, and the four-port electronic
calibration kit for 18min. When the internal temperature of the electronic calibration kit reaches the set temperature, the red
READY indicator will be ON (the preheating time is related to the ambient temperature).
2. According to the characteristics of the tested device, set the frequency range, IF bandwidth, power level and other stimulus
information of the vector network analyzer.
3. After preheating, connect the port of the electronic calibration kit to the test port of the vector analyzer through the test cable, and
execute the required calibration according to the prompts of the vector network analyzer. Calibration steps are as follows:
Step 1: select [Calibration (V)…] in the menu.
Fig. 7.31 Calibration Menu
Step 2: Select [Electronic calibration (ECal)] and click [Next] to enter the electronic calibration function.
Fig. 7.32 Selection of Calibration Type
Step 3: Select the module and characteristic data of the electronic calibration kit with the [Calibration kit selection…] button, as
shown in the following figure.
