Noise Figure of Superheterodyne Receiver Calculator

✖Noise Figure is a measure of how much noise is added to a signal by an electronic device. It is defined as the ratio of the output noise power to the input noise power, expressed in decibels.ⓘ Noise Figure of Superheterodyne Receiver [F]

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Noise Figure of Superheterodyne Receiver

Formula

`"F" = 1/"FOM"`

Example

`"25"=1/"0.04"`

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Noise Figure of Superheterodyne Receiver Solution

STEP 0: Pre-Calculation Summary

Formula Used

Noise Figure = 1/Figure of Merit
F = 1/FOM
This formula uses 2 Variables

Variables Used

Noise Figure - Noise Figure is a measure of how much noise is added to a signal by an electronic device. It is defined as the ratio of the output noise power to the input noise power, expressed in decibels.
Figure of Merit - Figure of Merit is a quantitative measure of the performance of an analog circuit or device.

STEP 1: Convert Input(s) to Base Unit

Figure of Merit: 0.04 --> No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

F = 1/FOM --> 1/0.04

Evaluating ... ...

F = 25

STEP 3: Convert Result to Output's Unit

25 --> No Conversion Required

FINAL ANSWER

25 <-- Noise Figure

(Calculation completed in 00.004 seconds)

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VIT University (VIT), Chennai

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< 24 Fundamentals of Analog Communications Calculators

Modulation Index with respect to Maximum and Minimum Amplitude

Go Modulation Index = (Maximum Amplitude of AM Wave-Minimum Amplitude of AM Wave)/(Maximum Amplitude of AM Wave+Minimum Amplitude of AM Wave)

Image Rejection Ratio

Go Image Rejection Ratio = (Image Frequency/Received Signal Frequency)-(Received Signal Frequency/Image Frequency)

Phase Constant of Distortion Less Line

Go Phase Constant of Distortion Less Line = Angular Velocity*sqrt(Inductance*Capacitance)

Quality Factor of Tuned Circuit

Go Quality Factor of Tuned Circuit = (2*pi*Resonant Frequency*Inductance)/Resistance

Modulation Index with respect to Power

Go Modulation Index = sqrt(2*((Average Total Power of AM Wave/Average Carrier Power of AM Wave)-1))

Cyclic Frequency of Superheterodyne Receiver

Go Cyclic Frequency = 1/(2*pi*sqrt(Inductance*Capacitance))

Rejection Ratio

Go Rejection Ratio = sqrt(1+(Quality Factor of Tuned Circuit^2*Image Rejection Ratio^2))

Image Frequency Rejection Ratio of Superheterodyne Receiver

Go Image Frequency Rejection Ratio = sqrt(1+(Quality Factor)^2*(Coupling Factor)^2)

Phase Velocity of Distortion Less Line

Go Phase Velocity of Distortion Less Line = 1/sqrt(Inductance*Capacitance)

Amplitude of Carrier Signal

Go Amplitude of Carrier Signal = (Maximum Amplitude of AM Wave+Minimum Amplitude of AM Wave)/2

Modulation Index with respect to Amplitude Sensitivity

Go Modulation Index = Amplitude Sensitivity of Modulator*Amplitude of Modulating Signal

Maximum Amplitude

Go Maximum Amplitude of AM Wave = Amplitude of Carrier Signal*(1+Modulation Index^2)

Minimum Amplitude

Go Minimum Amplitude of AM Wave = Amplitude of Carrier Signal*(1-Modulation Index^2)

Intermediate Frequency

Go Intermediate Frequency = (Local Oscillation Frequency-Received Signal Frequency)

Transmission Efficiency with respect to Modulation Index

Go Transmission Efficiency of AM Wave = Modulation Index^2/(2+Modulation Index^2)

Modulation Index

Go Modulation Index = Amplitude of Modulating Signal/Amplitude of Carrier Signal

Bandwidth of Tuned Circuit

Go Tuned Circuit Bandwidth = Resonant Frequency/Quality Factor of Tuned Circuit

Deviation Ratio

Go Deviation Ratio = Maximum Frequency Deviation/Maximum Modulating Frequency

Image Frequency

Go Image Frequency = Received Signal Frequency+(2*Intermediate Frequency)

Carrier Frequency

Go Carrier Frequency = Angular Frequency of Modulating Signal/(2*pi)

Carrier Power

Go Carrier Power = (Amplitude of Carrier Signal^2)/(2*Resistance)

Crest Factor

Go Crest Factor = Peak Value of Signal/RMS Value of Signal

Figure of Merit of Superheterodyne Receiver

Go Figure of Merit = 1/Noise Figure

Noise Figure of Superheterodyne Receiver

Go Noise Figure = 1/Figure of Merit

Noise Figure of Superheterodyne Receiver Formula

Noise Figure = 1/Figure of Merit
F = 1/FOM

What are the different sources of noise in a superheterodyne receiver?

Noise is an inherent limitation in any electronic system, and superheterodyne receivers are no exception. Noise can degrade the quality of the received signal, making it difficult to demodulate and extract the desired information. In a superheterodyne receiver, several sources contribute to the overall noise figure, which is a measure of the receiver's sensitivity and ability to amplify weak signals without introducing excessive noise.

How to Calculate Noise Figure of Superheterodyne Receiver?

Noise Figure of Superheterodyne Receiver calculator uses Noise Figure = 1/Figure of Merit to calculate the Noise Figure, The Noise Figure of Superheterodyne Receiver is defined as a measure of the degradation in signal-to-noise ratio caused by the receiver's internal noise. Noise Figure is denoted by F symbol.

How to calculate Noise Figure of Superheterodyne Receiver using this online calculator? To use this online calculator for Noise Figure of Superheterodyne Receiver, enter Figure of Merit (FOM) and hit the calculate button. Here is how the Noise Figure of Superheterodyne Receiver calculation can be explained with given input values -> 25 = 1/0.04.

FAQ

What is Noise Figure of Superheterodyne Receiver?

The Noise Figure of Superheterodyne Receiver is defined as a measure of the degradation in signal-to-noise ratio caused by the receiver's internal noise and is represented as F = 1/FOM or Noise Figure = 1/Figure of Merit. Figure of Merit is a quantitative measure of the performance of an analog circuit or device.

How to calculate Noise Figure of Superheterodyne Receiver?

The Noise Figure of Superheterodyne Receiver is defined as a measure of the degradation in signal-to-noise ratio caused by the receiver's internal noise is calculated using Noise Figure = 1/Figure of Merit. To calculate Noise Figure of Superheterodyne Receiver, you need Figure of Merit (FOM). With our tool, you need to enter the respective value for Figure of Merit 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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