Noise Figure Calculator
Calculate cascaded noise figure for RF receiver chains using Friis formula. Add multiple stages with noise figure and gain values. Shows total system noise figure, gain, and noise temperature.
How to Use Noise Figure Calculator
Add stages to your receiver chain (LNA, filter, mixer, etc.) with their noise figure and gain in dB. Click Calculate to see the cascaded noise figure, total gain, and noise temperature using Friis formula.
Step-by-Step Instructions
- Add receiver chain stages with names
- Enter noise figure (dB) and gain (dB) for each stage
- Click Calculate to apply Friis formula
- View cascaded NF, total gain, and noise temperature
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