SNR for PM System Calculator

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Analog Noise and Power Analysis

Amplitude Modulation Characteristics

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Fundamentals of Analog Communications

Sideband and Frequency Modulation

✖Phase Deviation Constant is the peak difference between the instantaneous phase angle of the modulated wave and that of the sine wave carrier.ⓘ Phase Deviation Constant [k_p]			+10% -10%
✖Amplitude of Message Signal refers to the maximum variation in the amplitude of the carrier wave caused by the modulating signal, which typically carries the information being transmitted.ⓘ Amplitude of Message Signal [A_sm]			+10% -10%
✖Signal to noise ratio (SNR) is a measure used in science and engineering that compares the level of a desired signal to the level of background noise.ⓘ Signal to Noise Ratio [SNR]			+10% -10%

✖SNR of PM System is modulation of the phase of message signal with respect to the carrier signal.ⓘ SNR for PM System [SNR_pm]

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Formula

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SNR for PM System

Formula

`"SNR"_{"pm"} = "k"_{"p"}^2*"A"_{"sm"}*"SNR"`

Example

`"3.8528dB"=("4")^2*"0.4"*"0.602dB"`

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SNR for PM System Solution

STEP 0: Pre-Calculation Summary

Formula Used

SNR of PM System = Phase Deviation Constant^2*Amplitude of Message Signal*Signal to Noise Ratio
SNR_pm = k_p^2*A_sm*SNR
This formula uses 4 Variables

Variables Used

SNR of PM System - (Measured in Decibel) - SNR of PM System is modulation of the phase of message signal with respect to the carrier signal.
Phase Deviation Constant - Phase Deviation Constant is the peak difference between the instantaneous phase angle of the modulated wave and that of the sine wave carrier.
Amplitude of Message Signal - Amplitude of Message Signal refers to the maximum variation in the amplitude of the carrier wave caused by the modulating signal, which typically carries the information being transmitted.
Signal to Noise Ratio - (Measured in Decibel) - Signal to noise ratio (SNR) is a measure used in science and engineering that compares the level of a desired signal to the level of background noise.

STEP 1: Convert Input(s) to Base Unit

Phase Deviation Constant: 4 --> No Conversion Required
Amplitude of Message Signal: 0.4 --> No Conversion Required
Signal to Noise Ratio: 0.602 Decibel --> 0.602 Decibel No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

SNR_pm = k_p^2*A_sm*SNR --> 4^2*0.4*0.602

Evaluating ... ...

SNR_pm = 3.8528

STEP 3: Convert Result to Output's Unit

3.8528 Decibel --> No Conversion Required

FINAL ANSWER

3.8528 Decibel <-- SNR of PM System

(Calculation completed in 00.004 seconds)

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Created by Passya Saikeshav Reddy

CVR COLLEGE OF ENGINEERING (CVR), India

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Chandigarh University (CU), Punjab

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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

SNR for PM System Formula

SNR of PM System = Phase Deviation Constant^2*Amplitude of Message Signal*Signal to Noise Ratio
SNR_pm = k_p^2*A_sm*SNR

What is a phase modulation?

Phase modulation is a modulation pattern for conditioning communication signals for transmission. It encodes a message signal as variations in the instantaneous phase of a carrier wave.

How to Calculate SNR for PM System?

SNR for PM System calculator uses SNR of PM System = Phase Deviation Constant^2*Amplitude of Message Signal*Signal to Noise Ratio to calculate the SNR of PM System, The SNR for PM System formula is defined a signal-to-noise ratio, often written S/N or SNR, is a measure of the strength of the desired signal relative to background noise (undesired signal). A ratio higher than 1:1 indicates more signal than noise. SNR of PM System is denoted by SNR_pm symbol.

How to calculate SNR for PM System using this online calculator? To use this online calculator for SNR for PM System, enter Phase Deviation Constant (k_p), Amplitude of Message Signal (A_sm) & Signal to Noise Ratio (SNR) and hit the calculate button. Here is how the SNR for PM System calculation can be explained with given input values -> 3.8528 = 4^2*0.4*0.602.

FAQ

What is SNR for PM System?

The SNR for PM System formula is defined a signal-to-noise ratio, often written S/N or SNR, is a measure of the strength of the desired signal relative to background noise (undesired signal). A ratio higher than 1:1 indicates more signal than noise and is represented as SNR_pm = k_p^2*A_sm*SNR or SNR of PM System = Phase Deviation Constant^2*Amplitude of Message Signal*Signal to Noise Ratio. Phase Deviation Constant is the peak difference between the instantaneous phase angle of the modulated wave and that of the sine wave carrier, Amplitude of Message Signal refers to the maximum variation in the amplitude of the carrier wave caused by the modulating signal, which typically carries the information being transmitted & Signal to noise ratio (SNR) is a measure used in science and engineering that compares the level of a desired signal to the level of background noise.

How to calculate SNR for PM System?

The SNR for PM System formula is defined a signal-to-noise ratio, often written S/N or SNR, is a measure of the strength of the desired signal relative to background noise (undesired signal). A ratio higher than 1:1 indicates more signal than noise is calculated using SNR of PM System = Phase Deviation Constant^2*Amplitude of Message Signal*Signal to Noise Ratio. To calculate SNR for PM System, you need Phase Deviation Constant (k_p), Amplitude of Message Signal (A_sm) & Signal to Noise Ratio (SNR). With our tool, you need to enter the respective value for Phase Deviation Constant, Amplitude of Message Signal & Signal to Noise Ratio 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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