BROWSING: dB

Rohde & Schwarz Application Note: dB or not dB?

Everything you ever wanted to know about decibels but were afraid to ask… True or false: 30 dBm + 30 dBm = 60 dBm? Why does 1% work out to be -40 dB one time but then 0.1 dB or 0.05 dB the next time?...