|
|
|||||||||
| Software: RF Cascade Workbook | RF Symbols for Office | RF Symbols & Stencils for Visio | Espresso Workbook | ||||||||||
|
|||||||||||||||||||||||||||||||
   |
   |
||||||||||||||||||||||||||||||
|
Please Support RF Cafe by purchasing my ridiculously low-priced products, all of which I created. RF & Electronics Symbols for Visio RF & Electronics Symbols for Office RF & Electronics Stencils for Visio T-Shirts, Mugs, Cups, Ball Caps, Mouse Pads These Are Available for Free |
|||||||||||||||||||||||||||||||
Thermal Noise Power & Voltage
Thermal Noise Power
Noise power is based on the thermal noise power at the input of the system, along with system gain and noise figure:
,
where
Multiply by 1000 to obtain milliwatts and then convert to dBm units:
or, factoring out the 1000:
Now that we have the thermal noise at the input, add the system gain and the additional noise added by the system (the NF) to get the noise power at the output:
Thermal Noise Voltage
Related Pages on RF Cafe
- Noise Figure Meters & Noise Generators
"Noise and Interference" - WebEE Tutorial
Copyright: 1996 - 2026 |
About RF Cafe RF Cafe began life in 1996 as "RF Tools" in an AOL screen name web space totaling 2 MB. Its primary purpose was to provide me with ready access to commonly needed formulas and reference material while performing my work as an RF system and circuit design engineer. The World Wide Web (Internet) was largely an unknown entity at the time and bandwidth was a scarce commodity. Dial-up modems blazed along at 14.4 kbps while tying up your telephone line, and a lady's voice announced "You've Got Mail" when a new message arrived... |
Copyright 1996 - 2026 All trademarks, copyrights, patents, and other rights of ownership to images
and text used on the RF Cafe website are hereby acknowledge My Hobby Website: My Daughter's Website: |
