Figure of Merit of Superheterodyne Receiver Calculator

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Fundamentals of Analog Communications

Amplitude Modulation Characteristics

Analog Noise and Power Analysis

DSBSC Modulation

Frequency Modulation

Sideband and Frequency Modulation

✖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 [F]

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✖Figure of Merit is a quantitative measure of the performance of an analog circuit or device.ⓘ Figure of Merit of Superheterodyne Receiver [FOM]

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Formula

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Figure of Merit of Superheterodyne Receiver

Formula

`"FOM" = 1/"F"`

Example

`"0.04"=1/"25"`

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Figure of Merit of Superheterodyne Receiver Solution

STEP 0: Pre-Calculation Summary

Formula Used

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

Variables Used

Figure of Merit - Figure of Merit is a quantitative measure of the performance of an analog circuit or device.
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.

STEP 1: Convert Input(s) to Base Unit

Noise Figure: 25 --> No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

FOM = 1/F --> 1/25

Evaluating ... ...

FOM = 0.04

STEP 3: Convert Result to Output's Unit

0.04 --> No Conversion Required

FINAL ANSWER

0.04 <-- Figure of Merit

(Calculation completed in 00.004 seconds)

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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

Figure of Merit of Superheterodyne Receiver Formula

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

What are some applications where the figure of merit of a superheterodyne receiver is important?

The figure of merit of a superheterodyne receiver is important in applications where the receiver needs to be able to detect weak signals. This includes applications such as: Satellite communication, Radar and Radio astronomy.

How to Calculate Figure of Merit of Superheterodyne Receiver?

Figure of Merit of Superheterodyne Receiver calculator uses Figure of Merit = 1/Noise Figure to calculate the Figure of Merit, The Figure of Merit of Superheterodyne Receiver is a measure of the overall performance of a superheterodyne receiver. It takes into account both the sensitivity of the receiver and the amount of noise that the receiver adds to the signal. Figure of Merit is denoted by FOM symbol.

How to calculate Figure of Merit of Superheterodyne Receiver using this online calculator? To use this online calculator for Figure of Merit of Superheterodyne Receiver, enter Noise Figure (F) and hit the calculate button. Here is how the Figure of Merit of Superheterodyne Receiver calculation can be explained with given input values -> 0.02 = 1/25.

FAQ

What is Figure of Merit of Superheterodyne Receiver?

The Figure of Merit of Superheterodyne Receiver is a measure of the overall performance of a superheterodyne receiver. It takes into account both the sensitivity of the receiver and the amount of noise that the receiver adds to the signal and is represented as FOM = 1/F or Figure of Merit = 1/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.

How to calculate Figure of Merit of Superheterodyne Receiver?

The Figure of Merit of Superheterodyne Receiver is a measure of the overall performance of a superheterodyne receiver. It takes into account both the sensitivity of the receiver and the amount of noise that the receiver adds to the signal is calculated using Figure of Merit = 1/Noise Figure. To calculate Figure of Merit of Superheterodyne Receiver, you need Noise Figure (F). With our tool, you need to enter the respective value for Noise Figure 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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