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Thermal Noise Power Formula

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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. Check FAQs

P tn = [BoltZ] \cdot T \cdot BW n

P_tn - Thermal Noise Power?T - Temperature?BW_n - Noise Bandwidth?[BoltZ] - Boltzmann constant?

Thermal Noise Power Example

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Here is how the Thermal Noise Power equation looks like with Values.

Here is how the Thermal Noise Power equation looks like with Units.

Here is how the Thermal Noise Power equation looks like.

1E-18 = 1.4E-23 \cdot 363.74 \cdot 200

1E-18W = 1.4E-23J/K \cdot 363.74K \cdot 200Hz

1E-18 = 1.4E-23 \cdot 363.74 \cdot 200

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Thermal Noise Power Solution

Follow our step by step solution on how to calculate Thermal Noise Power?

FIRST Step Consider the formula

P tn = [BoltZ] \cdot T \cdot BW n

Next Step Substitute values of Variables

∴

P tn = [BoltZ] \cdot 363.74K \cdot 200Hz

Next Step Substitute values of Constants

∴

P tn = 1.4E-23J/K \cdot 363.74K \cdot 200Hz

Next Step Prepare to Evaluate

∴

P tn = 1.4E-23 \cdot 363.74 \cdot 200

Next Step Evaluate

∴

P tn = 1.0043941853296E-18W

LAST Step Rounding Answer

∴

P tn = 1E-18W

Thermal Noise Power Formula Elements

Variables

Constants

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.

Symbol: P_tn

Measurement: PowerUnit: W

Note: Value should be greater than 0.

Formulas to find Thermal Noise Power

Temperature

Temperature is the degree or intensity of heat present in a substance or object.

Symbol: T

Measurement: TemperatureUnit: K

Note: Value should be greater than 0.

Formulas to find Temperature

Noise Bandwidth

Noise Bandwidth is the bandwidth of a brickwall filter which produces same integrated noise power as that of an actual filter.

Symbol: BW_n

Measurement: FrequencyUnit: Hz

Note: Value should be greater than 0.

Formulas to find Noise Bandwidth

Boltzmann constant

Boltzmann constant relates the average kinetic energy of particles in a gas with the temperature of the gas and is a fundamental constant in statistical mechanics and thermodynamics.

Symbol: [BoltZ]

Value: 1.38064852E-23 J/K

Other formulas in Analog Noise and Power Analysis category

Go Equivalent Noise Temperature

T = (N f - 1) \cdot T o

Go Noise Factor

N f = \frac{P si \cdot P no}{P so \cdot P ni}

Go Noise Power at Output of Amplifier

P no = P ni \cdot N f \cdot P ng

Go Noise Power Gain

P ng = \frac{P so}{P si}

How to Evaluate Thermal Noise Power?

Thermal Noise Power evaluator uses Thermal Noise Power = [BoltZ]*Temperature*Noise Bandwidth to evaluate 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 evaluate Thermal Noise Power using this online evaluator? To use this online evaluator for Thermal Noise Power, enter Temperature (T) & Noise Bandwidth (BW_n) and hit the calculate button.

FAQs on Thermal Noise Power

What is the formula to find Thermal Noise Power?

The formula of Thermal Noise Power is expressed as Thermal Noise Power = [BoltZ]*Temperature*Noise Bandwidth. Here is an example- 1E-18 = [BoltZ]*363.74*200.

How to calculate Thermal Noise Power?

With Temperature (T) & Noise Bandwidth (BW_n) we can find Thermal Noise Power using the formula - Thermal Noise Power = [BoltZ]*Temperature*Noise Bandwidth. This formula also uses Boltzmann constant .

Can the Thermal Noise Power be negative?

No, the Thermal Noise Power, measured in Power cannot be negative.

Which unit is used to measure Thermal Noise Power?

Thermal Noise Power is usually measured using the Watt[W] for Power. Kilowatt[W], Milliwatt[W], Microwatt[W] are the few other units in which Thermal Noise Power can be measured.

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Thermal Noise Power Formula

Thermal Noise Power Example

Thermal Noise Power Solution

Thermal Noise Power Formula Elements

Other formulas in Analog Noise and Power Analysis category

How to Evaluate Thermal Noise Power?

FAQs on Thermal Noise Power

Variable Name