Noise Figure » History » Version 2
HAENNIG, Gerald, 12/13/2015 03:46 PM
| 1 | 1 | GOMEZ, Ramon | h1. Noise Figure |
|---|---|---|---|
| 2 | 2 | HAENNIG, Gerald | |
| 3 | 2 | HAENNIG, Gerald | The Noise Figure has been measured with the FSV spectrum Analyzer. |
| 4 | 2 | HAENNIG, Gerald | |
| 5 | 2 | HAENNIG, Gerald | 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. |
| 6 | 2 | HAENNIG, Gerald | |
| 7 | 2 | HAENNIG, Gerald | Noise Factor : |
| 8 | 2 | HAENNIG, Gerald | |
| 9 | 2 | HAENNIG, Gerald | F = No / kToBG (No : measured output power noise; k : Boltzman constant ; To : ambiant temperature close to 290 K ; B : measurement bandwidth ; G : RF Gain) |
| 10 | 2 | HAENNIG, Gerald | |
| 11 | 2 | HAENNIG, Gerald | Noise Figure : |
| 12 | 2 | HAENNIG, Gerald | |
| 13 | 2 | HAENNIG, Gerald | NF=10*log10(Ftot) |
| 14 | 2 | HAENNIG, Gerald | |
| 15 | 2 | HAENNIG, Gerald | |_.Frequency | MHz | 700 | 1000 | 1500 | 2000 | 2300 | |
| 16 | 2 | HAENNIG, Gerald | |_.Optical Link Noise Figure | dB | 30,9 | 30,1 | 31,3 | 32,6 | 33,4 |