AN4174

Receiver parameter

Doc ID 023728 Rev 1

17/21

4.4

Limit on secondary radiated emissions

The limit of the secondary radiated emission from the receiving equipment is, in terms of the

power of a dummy antenna circuit that has the same electrical constant as the receiving

antenna, 4 nW (-54 dBm) or lower.

The receiver secondary radiated emissions measurements are reported in Figure 11 and

Figure 12. In Figure 12 the radiated emission below 1 GHz is reported, in Figure 12 the

radiated emission above 1 GHz is reported. In the two figures the ARIB STD-T67

specification mask is also reported.

The SPIRIT1 met the spurious emission requirements with margin.

Figure 11.

RX spurious emission below 1 GHz

AM15306V1