Thermal Noise Power Calculator

✖Temperature is the degree or intensity of heat present in a substance or object.ⓘ Temperature [T]			+10% -10%
✖Noise Bandwidth is the bandwidth of a brickwall filter which produces same integrated noise power as that of an actual filter.ⓘ Noise Bandwidth [BW_n]			+10% -10%

✖Thermal Noise Power is a noise that is a result of the thermal agitation of electrons. The thermal noise power depends of the bandwidth and temperature of the surroundings.ⓘ Thermal Noise Power [P_tn]

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Thermal Noise Power Solution

STEP 0: Pre-Calculation Summary

Formula Used

Thermal Noise Power = [BoltZ]*Temperature*Noise Bandwidth
P_tn = [BoltZ]*T*BW_n
This formula uses 1 Constants, 3 Variables

Constants Used

[BoltZ] - Boltzmann constant Value Taken As 1.38064852E-23

Variables Used

Thermal Noise Power - (Measured in Watt) - Thermal Noise Power is a noise that is a result of the thermal agitation of electrons. The thermal noise power depends of the bandwidth and temperature of the surroundings.
Temperature - (Measured in Kelvin) - Temperature is the degree or intensity of heat present in a substance or object.
Noise Bandwidth - (Measured in Hertz) - Noise Bandwidth is the bandwidth of a brickwall filter which produces same integrated noise power as that of an actual filter.

STEP 1: Convert Input(s) to Base Unit

Temperature: 363.74 Kelvin --> 363.74 Kelvin No Conversion Required
Noise Bandwidth: 200 Hertz --> 200 Hertz No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

P_tn = [BoltZ]*T*BW_n --> [BoltZ]*363.74*200

Evaluating ... ...

P_tn = 1.0043941853296E-18

STEP 3: Convert Result to Output's Unit

1.0043941853296E-18 Watt --> No Conversion Required

FINAL ANSWER

1.0043941853296E-18 ≈ 1E-18 Watt <-- Thermal Noise Power

(Calculation completed in 00.004 seconds)

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Credits

Created by Rachita C

BMS College Of Engineering (BMSCE), Banglore

Rachita C has created this Calculator and 25+ more calculators!

Verified by Saiju Shah

Jayawantrao Sawant College of Engineering (JSCOE), Pune

Saiju Shah has verified this Calculator and 25+ more calculators!

< Analog Noise and Power Analysis Calculators

Noise Factor

LaTeX Go Noise Factor = (Signal Power at Input*Noise Power at Output)/(Signal Power at Output*Noise Power at Input)

Noise Power at Output of Amplifier

LaTeX Go Noise Power at Output = Noise Power at Input*Noise Factor*Noise Power Gain

Noise Power Gain

LaTeX Go Noise Power Gain = Signal Power at Output/Signal Power at Input

Equivalent Noise Temperature

LaTeX Go Temperature = (Noise Factor-1)*Room Temperature

Thermal Noise Power Formula

LaTeX Go

Thermal Noise Power = [BoltZ]*Temperature*Noise Bandwidth
P_tn = [BoltZ]*T*BW_n

Why does thermal noise occur?

Thermal noise is generated by the random motion of free electrons in a conductor resulting from thermal agitation. The magnitude of the motion is proportional to the temperature of the conductor.

How to Calculate Thermal Noise Power?

Thermal Noise Power calculator uses Thermal Noise Power = [BoltZ]*Temperature*Noise Bandwidth to calculate the Thermal Noise Power, Thermal Noise Power is a noise that is a result of the thermal agitation of electrons. The thermal noise power depends of the bandwidth and temperature of the surroundings. Thermal Noise Power is denoted by P_tn symbol.

How to calculate Thermal Noise Power using this online calculator? To use this online calculator for Thermal Noise Power, enter Temperature (T) & Noise Bandwidth (BW_n) and hit the calculate button. Here is how the Thermal Noise Power calculation can be explained with given input values -> 1E-18 = [BoltZ]*363.74*200.

FAQ

What is Thermal Noise Power?

Thermal Noise Power is a noise that is a result of the thermal agitation of electrons. The thermal noise power depends of the bandwidth and temperature of the surroundings and is represented as P_tn = [BoltZ]*T*BW_n or Thermal Noise Power = [BoltZ]*Temperature*Noise Bandwidth. Temperature is the degree or intensity of heat present in a substance or object & Noise Bandwidth is the bandwidth of a brickwall filter which produces same integrated noise power as that of an actual filter.

How to calculate Thermal Noise Power?

Thermal Noise Power is a noise that is a result of the thermal agitation of electrons. The thermal noise power depends of the bandwidth and temperature of the surroundings is calculated using Thermal Noise Power = [BoltZ]*Temperature*Noise Bandwidth. To calculate Thermal Noise Power, you need Temperature (T) & Noise Bandwidth (BW_n). With our tool, you need to enter the respective value for Temperature & Noise Bandwidth 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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