Noise Power at Output of Amplifier Calculator

✖The Noise Power at Input is defined as the noise originating on the source resistance feeding the receiver.ⓘ Noise Power at Input [P_ni]			+10% -10%
✖The Noise Factor is defined as the measure of degradation of the signal to noise ratio in a device.ⓘ Noise Factor [N_f]			+10% -10%
✖Noise Power Gain is a measure of the amount of noise that is added to a signal by an amplifier.ⓘ Noise Power Gain [P_ng]			+10% -10%

✖The Noise Power at Output is defined as spurious contributions from image-frequency transformation.ⓘ Noise Power at Output of Amplifier [P_no]

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Noise Power at Output of Amplifier Solution

STEP 0: Pre-Calculation Summary

Formula Used

Noise Power at Output = Noise Power at Input*Noise Factor*Noise Power Gain
P_no = P_ni*N_f*P_ng
This formula uses 4 Variables

Variables Used

Noise Power at Output - (Measured in Watt) - The Noise Power at Output is defined as spurious contributions from image-frequency transformation.
Noise Power at Input - (Measured in Watt) - The Noise Power at Input is defined as the noise originating on the source resistance feeding the receiver.
Noise Factor - The Noise Factor is defined as the measure of degradation of the signal to noise ratio in a device.
Noise Power Gain - Noise Power Gain is a measure of the amount of noise that is added to a signal by an amplifier.

STEP 1: Convert Input(s) to Base Unit

Noise Power at Input: 18 Watt --> 18 Watt No Conversion Required
Noise Factor: 2.22 --> No Conversion Required
Noise Power Gain: 0.6 --> No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

P_no = P_ni*N_f*P_ng --> 18*2.22*0.6

Evaluating ... ...

P_no = 23.976

STEP 3: Convert Result to Output's Unit

23.976 Watt --> No Conversion Required

FINAL ANSWER

23.976 Watt <-- Noise Power at Output

(Calculation completed in 00.004 seconds)

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Credits

Created by Pranav Simha R

BMS College of Engineering (BMSCE), Bangalore,India

Pranav Simha R has created this Calculator and 10+ more calculators!

Verified by Rachita C

BMS College Of Engineering (BMSCE), Banglore

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< 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

Noise Power at Output of Amplifier Formula

LaTeX Go

Noise Power at Output = Noise Power at Input*Noise Factor*Noise Power Gain
P_no = P_ni*N_f*P_ng

How do we remove the noise in an output of amplifier?

To further optimize noise performance, you can add a filter in the feedback path. Including a capacitor in parallel with the feedback resistor lowers the gain at higher frequencies, thereby reducing output-referred noise.

How to Calculate Noise Power at Output of Amplifier?

Noise Power at Output of Amplifier calculator uses Noise Power at Output = Noise Power at Input*Noise Factor*Noise Power Gain to calculate the Noise Power at Output, Noise Power at Output of Amplifier is the amount of noise that is added to the signal by the amplifier. Noise Power at Output is denoted by P_no symbol.

How to calculate Noise Power at Output of Amplifier using this online calculator? To use this online calculator for Noise Power at Output of Amplifier, enter Noise Power at Input (P_ni), Noise Factor (N_f) & Noise Power Gain (P_ng) and hit the calculate button. Here is how the Noise Power at Output of Amplifier calculation can be explained with given input values -> 23.976 = 18*2.22*0.6.

FAQ

What is Noise Power at Output of Amplifier?

Noise Power at Output of Amplifier is the amount of noise that is added to the signal by the amplifier and is represented as P_no = P_ni*N_f*P_ng or Noise Power at Output = Noise Power at Input*Noise Factor*Noise Power Gain. The Noise Power at Input is defined as the noise originating on the source resistance feeding the receiver, The Noise Factor is defined as the measure of degradation of the signal to noise ratio in a device & Noise Power Gain is a measure of the amount of noise that is added to a signal by an amplifier.

How to calculate Noise Power at Output of Amplifier?

Noise Power at Output of Amplifier is the amount of noise that is added to the signal by the amplifier is calculated using Noise Power at Output = Noise Power at Input*Noise Factor*Noise Power Gain. To calculate Noise Power at Output of Amplifier, you need Noise Power at Input (P_ni), Noise Factor (N_f) & Noise Power Gain (P_ng). With our tool, you need to enter the respective value for Noise Power at Input, Noise Factor & Noise Power Gain 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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