Noise Figure » History » Version 21
HAENNIG, Gerald, 12/13/2015 04:04 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 | 19 | HAENNIG, Gerald | The table below contains the Noise Figure measured on the optical link. |
| 16 | 19 | HAENNIG, Gerald | |
| 17 | 18 | HAENNIG, Gerald | |_. Frequency |_. Optical Link Noise Figure | |
| 18 | 11 | HAENNIG, Gerald | |_. MHz |_. dB | |
| 19 | 15 | HAENNIG, Gerald | |=. 700 |=. 30.9 | |
| 20 | 16 | HAENNIG, Gerald | |=. 1000 |=. 30.1 | |
| 21 | 16 | HAENNIG, Gerald | |=. 1500 |=. 31.3 | |
| 22 | 16 | HAENNIG, Gerald | |=. 2000 |=. 32.6 | |
| 23 | 16 | HAENNIG, Gerald | |=. 2300 |=. 33.4 | |
| 24 | 21 | HAENNIG, Gerald | !Optical Link Noise Figure! |