Noise Figure » History » Version 4

HAENNIG, Gerald, 12/13/2015 03:47 PM

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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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|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 
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|_.Category |_.Make |_.Model |_.Remarks |
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| Software defined radio | National Instruments | NI USRP 2920 | Freq. coverage: 50-2200 MHz, BW: 20-40 MHz, Ethernet connectivity|
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| Software defined radio | National Instruments | NI USRP 2920 | |
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| Software defined radio | National Instruments | NI USRP 2920 | |