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Noise Figure » History » Version 18

HAENNIG, Gerald, 12/13/2015 04:02 PM

1 1 GOMEZ, Ramon 
h1. Noise Figure
2 2 HAENNIG, Gerald 





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The Noise Figure has been measured with the FSV spectrum Analyzer.





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The optical link output power is measured with an input termination (done with 50 Ohm termination instead of 75 Ohm as not available) at a temperature of 290 K.





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Noise Factor :





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F = No / kToBG (No : measured output power noise; k : Boltzman constant ;  To : ambiant temperature close to 290 K ; B : measurement bandwidth ; G : RF Gain)





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Noise Figure :





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NF=10*log10(Ftot)





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|_. Frequency |_. Optical Link Noise Figure |





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|_. MHz |_. dB |





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|=. 700 |=. 30.9 |





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|=. 1000 |=. 30.1 |





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|=. 1500 |=. 31.3 |





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|=. 2000 |=. 32.6 |





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|=. 2300 |=. 33.4 |