Anritsu FAQs

How do I calculate Noise Power density (dBm/Hz) from a measurement made with the MS2711D or MS272x spectrum analyzer?

answer

On the instrument, use a Noise Marker. If you have a captured trace (in dBm) that you want to convert to dBm/Hz, use the following formula: dBm/Hz = dBm - 10 * log(1.03 * RBW)