Noise Figure » History » Version 39

HAENNIG, Gerald, 12/13/2015 04:17 PM

1 1 GOMEZ, Ramon
h1. Noise Figure
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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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The table below contains the Noise Figure measured on the optical link.
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|_. Parameter |_. Unit |\5= _. Measurements |
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|_. Frequency |_. MHz |=. 700 |=. 1000 |=. 1500 |=. 2000 |=. 2300 |
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|_. Optical Link Noise Figure |_. dB |=. 30.9 |=. 30.1 |=. 31.3 |=. 32.6 |=. 33.4 |