Anritsu_RF_uW_Poster_No2RF Poster 2 11/04/05 7:50 PM Page 1 discover... Reference Charts for RF & Wave Communications Spectrum Analyser Conversion Factors 50 Ohms TO FROM Input Impedance Power Ratio dBm mW w. Power Measurement Frequency Modulation dBm 0 +13 -47 -107 dBV -13 0 -60 -120 dBmV +47 +60 0 -60 dB V +107 +120 +60 0 -10 1.0 Carrier & Sideband Amplitude 0.8 0.6 0.4 0.2 0 0.2 0.4 1 2 3 4 5 6 Deviation Ratio 7 8 9 Carrier 1st Sideband 2nd 3rd dBm +40 +30 (watts vs. dBm) dBm dBV dBmV dB V 75 Ohms TO FROM 4th -20 -30 -40 +20 5th 6th 7th +10 0 1 mW 100nW Input Impedance 10 mW 1uW 100 mW 10uW 1W 100u W 10 W 1mW dBm 0 +11.25 -48.75 -108.75 dBV -11.25 0 -60 -120 dBmV +48.7 +60 0 -60 dB V +108.7 +120 +60 0 dBm dBV dBmV dB V Amplitude Modulation EC % modulation 1 Sideband level belo……