Spectral Emission Mask Setup

The Spectral Emission Mask displays the selected signal and the mask as defined in the 3GPP specification. The mask varies depending upon the input signal. The instrument also indicates if the signal is within the specified limits by displaying PASSED or FAILED. The emission mask is also displayed in a table format with different frequency ranges and whether the signal PASSED/FAILED in that region.

The 3GPP specification specifies four masks depending upon the base station output power:

•	P ≥ 43 dBm

•	39 ≤ P < 43 dBm

•	31 ≤ P < 39 dBm

•	P < 31 dBm

 

Spectral Emission Mask Procedure

1.	Set the measurement frequency using one of the methods listed in the User Guide.

2.	Press the Measurements main menu key.

3.	Press the RF Measurements submenu key.

4.	Press the Spectral Emission Mask submenu key to activate the Spectral Emission Mask measurement (Figure: “Spectral Emission Mask Measurement”). Press the Spectral Emission Summary submenu key to display the Spectral Emission Summary table (Figure: “Spectral Emission Mask Measurement”).

Spectral Emission Mask Measurement

Spectral Emission Mask Summary

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