Equivalent Noise Temperature Solution

STEP 0: Pre-Calculation Summary
Formula Used
Temperature = (Noise Factor-1)*Room Temperature
T = (Nf-1)*To
This formula uses 3 Variables
Variables Used
Temperature - (Measured in Kelvin) - Temperature is the degree or intensity of heat present in a substance or object.
Noise Factor - The Noise Factor is defined as the measure of degradation of the signal to noise ratio in a device.
Room Temperature - (Measured in Kelvin) - The Room Temperature is defined as a comfortable ambient temperature, generally taken as about 293 K.
STEP 1: Convert Input(s) to Base Unit
Noise Factor: 2.22 --> No Conversion Required
Room Temperature: 298.15 Kelvin --> 298.15 Kelvin No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
T = (Nf-1)*To --> (2.22-1)*298.15
Evaluating ... ...
T = 363.743
STEP 3: Convert Result to Output's Unit
363.743 Kelvin --> No Conversion Required
FINAL ANSWER
363.743 Kelvin <-- Temperature
(Calculation completed in 00.004 seconds)

Credits

Created by Pranav Simha R
BMS College of Engineering (BMSCE), Bangalore,India
Pranav Simha R has created this Calculator and 10+ more calculators!
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BMS College Of Engineering (BMSCE), Banglore
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14 Analog Noise and Power Analysis Calculators

SNR for AM Demodulation
Go SNR of AM System = ((Modulation Index^2*Amplitude of Message Signal)/(1+Modulation Index^2*Amplitude of Message Signal))*Signal to Noise Ratio
Mean Square Value of Shot Noise
Go Mean Square Shot Noise Current = sqrt(2*(Total Current+Reverse Saturation Current)*[Charge-e]*Effective Noise Bandwidth)
RMS Thermal Noise Current
Go RMS Thermal Noise Current = sqrt(4*[BoltZ]*Temperature*Conductance*Noise Bandwidth)
RMS Noise Voltage
Go RMS Noise Voltage = sqrt(4*[BoltZ]*Temperature *Noise Bandwidth*Noise Resistance)
Noise Factor
Go Noise Factor = (Signal Power at Input*Noise Power at Output)/(Signal Power at Output*Noise Power at Input)
SNR for PM System
Go SNR of PM System = Phase Deviation Constant^2*Amplitude of Message Signal*Signal to Noise Ratio
SNR for FM System
Go SNR of FM System = 3*Deviation Ratio^2*Amplitude of Message Signal*Signal to Noise Ratio
Power Density Spectrum of Thermal Noise
Go Power Spectral Density of Thermal Noise = 2*[BoltZ]*Temperature*Noise Resistance
Noise Power at Output of Amplifier
Go Noise Power at Output = Noise Power at Input*Noise Factor*Noise Power Gain
Thermal Noise Power
Go Thermal Noise Power = [BoltZ]*Temperature*Noise Bandwidth
Output SNR
Go Signal to Noise Ratio = log10(Signal Power/Noise Power)
Power Spectral Density of White Noise
Go Power Spectral Density of White Noise = [BoltZ]*Temperature/2
Noise Power Gain
Go Noise Power Gain = Signal Power at Output/Signal Power at Input
Equivalent Noise Temperature
Go Temperature = (Noise Factor-1)*Room Temperature

Equivalent Noise Temperature Formula

Temperature = (Noise Factor-1)*Room Temperature
T = (Nf-1)*To

How is noise factor calculated?

The noise factor can be derived simply by taking the SNR at the input and dividing it by the SNR at the output.

How to Calculate Equivalent Noise Temperature?

Equivalent Noise Temperature calculator uses Temperature = (Noise Factor-1)*Room Temperature to calculate the Temperature, The Equivalent Noise Temperature of a system is defined as the temperature at which the noise resistor has to be maintained so that by connecting this resistor to the input of a noiseless version of the system, it will produce the same amount of noise power at the system output as that produced by the actual system. Temperature is denoted by T symbol.

How to calculate Equivalent Noise Temperature using this online calculator? To use this online calculator for Equivalent Noise Temperature, enter Noise Factor (Nf) & Room Temperature (To) and hit the calculate button. Here is how the Equivalent Noise Temperature calculation can be explained with given input values -> 363.743 = (2.22-1)*298.15.

FAQ

What is Equivalent Noise Temperature?
The Equivalent Noise Temperature of a system is defined as the temperature at which the noise resistor has to be maintained so that by connecting this resistor to the input of a noiseless version of the system, it will produce the same amount of noise power at the system output as that produced by the actual system and is represented as T = (Nf-1)*To or Temperature = (Noise Factor-1)*Room Temperature. The Noise Factor is defined as the measure of degradation of the signal to noise ratio in a device & The Room Temperature is defined as a comfortable ambient temperature, generally taken as about 293 K.
How to calculate Equivalent Noise Temperature?
The Equivalent Noise Temperature of a system is defined as the temperature at which the noise resistor has to be maintained so that by connecting this resistor to the input of a noiseless version of the system, it will produce the same amount of noise power at the system output as that produced by the actual system is calculated using Temperature = (Noise Factor-1)*Room Temperature. To calculate Equivalent Noise Temperature, you need Noise Factor (Nf) & Room Temperature (To). With our tool, you need to enter the respective value for Noise Factor & Room Temperature and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.
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