I assume you are doing FCC 15.247 “The maximum permitted peak conducted output power is +30 dBm (1 W). However, the power spectral density conducted from the intentional radiator to the antenna shall not be greater than +8 dBm in any 3 kHz band during any time interval of continuous transmission. ”
To achieve this, I would use the following settings:
1) Spur reject off
2) Video detector set to min/max
3) 3 kHz CISPR / Gaussian RBW, 3 kHz VBW (in Spike, when VBW = RBW and min/max selected, there is no video filtering)
4) Trace set to max hold
After accumulating for several seconds, peak search. This should give you the correct reading. Let me know if I misunderstood the test you are running.
