The LMZ31704 is compliant with EN55022 Class B radiated emissions. Figure 46 and Figure 47 show typical examples of radiated emissions plots for the LMZ31704 operating from 5 V and 12 V, respectively. Both graphs include the plots of the antenna in the horizontal and vertical positions.
Figure 46. Radiated Emissions 5-V Input, 1.8-V Output, 4-A Load (EN55022 Class B)
Figure 47. Radiated Emissions 12-V Input, 1.8-V Output, 4-A Load (EN55022 Class B)