Estimating Psd Ratio From Satmaster; Estimating Psd Ratio Using Spectrum Analyzer - Comtech EF Data DMD-2050E Installation And Operation Manual

DMD2050E Universal Satellite Modem
3.11.12.4
3.11.12.5
PSD Ratio or CnC Ratio can also be estimated using a Spectrum Analyzer capable of integrating
the signal power in a given bandwidth.
CnC Ratio (in dB) = Power
PSD Ratio (in dB) = (Power
Hz))
= CnC Ratio – 10 log (BW
If the two carriers have same Symbol Rate / Bandwidth, then the CnC Ratio is same as the PSD
Ratio.
MN-DMD2050E Revision 2

Estimating PSD Ratio from Satmaster

Estimating PSD Ratio Using Spectrum Analyzer

(in dBm) – Power
C1
– 10 log BW
C1
(in dBm)
C2
(in Hz)) – (Power
C1
/ BW )
C1 C2
Theory of Operation
– 10 log BW (in
C2 C2
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