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
Pno = Pni*Nf*Png
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
Pno = Pni*Nf*Png --> 18*2.22*0.6
Evaluating ... ...
Pno = 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)

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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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

Noise Power at Output of Amplifier Formula

Noise Power at Output = Noise Power at Input*Noise Factor*Noise Power Gain
Pno = Pni*Nf*Png

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 Pno 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 (Pni), Noise Factor (Nf) & Noise Power Gain (Png) 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 Pno = Pni*Nf*Png 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 (Pni), Noise Factor (Nf) & Noise Power Gain (Png). 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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