曾工 发表于 2022-11-22 11:03:44

Spurious Emissions Calculations

Spurious Emissions Calculations



Determining Spurious Emissions Levels

[*]E dBpv/m) = Analyzer level (dBm) + 107 + AFCL (dB/m)
[*]Spurious Emission Level(dB/m) = E (dBuV/m) + 20 log (D meas) - 104.8
[*]Spurious Emission Level (dBm) = Analyzer Level (dBm) + AFCL (dB/m] + Conversion Factor(db)
[*]AFCL (dB/m) = (Antenna Factor(dB/m)+ Cable Loss (dB) + Attenuator (dB)- Preamplifier Gain(dB)
[*]Conversion Factor (dB)= 107 - 104.8 + 20 log(D meas)
[*]Margin (dB) = Spurious Emission Level (dBm)- Limit (dBm)




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