Noise Figure to Noise Temperature Converter

Convert noise figure (in dB) to equivalent noise temperature (in Kelvin) using the formula: T = (10^(NF/10) - 1) × 290 K, where NF is the noise figure in dB.

Input Parameters

Calculation Results

Equivalent Noise Temperature (Teq)

-- kWh --

Calculation Formula

Teq = (10(NF/10) - 1) × 290 K

Where:
Teq = Equivalent noise temperature in Kelvin
NF = Noise figure in dB
290 K = Standard room temperature in Kelvin

Noise Figure to Noise Temperature Converter Calculator Usage Guide

Learn how to use the Noise Figure to Noise Temperature Converter calculator and its working principles

How to Use This Calculator

  1. Enter the noise figure (NF) in dB in the input field. The noise figure is a measure of the degradation of signal-to-noise ratio (SNR) caused by components in a radio frequency (RF) signal chain.
  2. Click the "Calculate" button to convert the noise figure to equivalent noise temperature.
  3. The result will be displayed in Kelvin (K), which is the standard unit for noise temperature.
  4. Use the "Reset" button to clear all inputs and start over.

Working Principle

The noise figure (NF) and equivalent noise temperature (Teq) are two ways of expressing the level of noise added by an electronic component or system. The relationship between them is given by:

Teq = (10(NF/10) - 1) × 290 K

This formula allows engineers to compare the noise performance of different components regardless of their bandwidth, making Teq particularly useful in systems where noise contributions from multiple stages must be combined.

Applications

This calculator is useful in various applications including:

  • Design and analysis of radio receivers and communication systems
  • Comparing the performance of different amplifiers and filters
  • System noise budget calculations in satellite communications
  • Optical communication systems design