Deviation Ratio Solution

STEP 0: Pre-Calculation Summary
Formula Used
Deviation Ratio = Maximum Frequency Deviation/Maximum Modulating Frequency
D = Δfm/fm
This formula uses 3 Variables
Variables Used
Deviation Ratio - Deviation Ratio is the ratio of the maximum carrier frequency deviation to the highest audio modulating frequency.
Maximum Frequency Deviation - (Measured in Hertz) - Maximum Frequency Deviation the maximum difference between the minimum or maximum extent of a frequency modulated signal, and the nominal center or carrier frequency.
Maximum Modulating Frequency - (Measured in Hertz) - Maximum Modulating Frequency and the maximum keying frequency are not necessarily equal.
STEP 1: Convert Input(s) to Base Unit
Maximum Frequency Deviation: 750 Hertz --> 750 Hertz No Conversion Required
Maximum Modulating Frequency: 15000 Hertz --> 15000 Hertz No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
D = Δfm/fm --> 750/15000
Evaluating ... ...
D = 0.05
STEP 3: Convert Result to Output's Unit
0.05 --> No Conversion Required
FINAL ANSWER
0.05 <-- Deviation Ratio
(Calculation completed in 00.004 seconds)

Credits

Created by Rachita C
BMS College Of Engineering (BMSCE), Banglore
Rachita C has created this Calculator and 25+ more calculators!
Verified by Vidyashree V
BMS College of Engineering (BMSCE), Bangalore
Vidyashree V has verified this Calculator and 25+ more calculators!

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

Deviation Ratio Formula

Deviation Ratio = Maximum Frequency Deviation/Maximum Modulating Frequency
D = Δfm/fm

What determines the amount of deviation of an FM signal?

The amplitude of the modulating signal is converted to frequency variations of the FM ( Frequency Modulation ) signal. These variations are referred to as carrier deviation or deviation.

How to Calculate Deviation Ratio?

Deviation Ratio calculator uses Deviation Ratio = Maximum Frequency Deviation/Maximum Modulating Frequency to calculate the Deviation Ratio, Deviation Ratio is the ratio of the maximum carrier frequency deviation to the highest audio modulating frequency. Deviation Ratio is denoted by D symbol.

How to calculate Deviation Ratio using this online calculator? To use this online calculator for Deviation Ratio, enter Maximum Frequency Deviation (Δfm) & Maximum Modulating Frequency (fm) and hit the calculate button. Here is how the Deviation Ratio calculation can be explained with given input values -> 0.05 = 750/15000.

FAQ

What is Deviation Ratio?
Deviation Ratio is the ratio of the maximum carrier frequency deviation to the highest audio modulating frequency and is represented as D = Δfm/fm or Deviation Ratio = Maximum Frequency Deviation/Maximum Modulating Frequency. Maximum Frequency Deviation the maximum difference between the minimum or maximum extent of a frequency modulated signal, and the nominal center or carrier frequency & Maximum Modulating Frequency and the maximum keying frequency are not necessarily equal.
How to calculate Deviation Ratio?
Deviation Ratio is the ratio of the maximum carrier frequency deviation to the highest audio modulating frequency is calculated using Deviation Ratio = Maximum Frequency Deviation/Maximum Modulating Frequency. To calculate Deviation Ratio, you need Maximum Frequency Deviation (Δfm) & Maximum Modulating Frequency (fm). With our tool, you need to enter the respective value for Maximum Frequency Deviation & Maximum Modulating Frequency and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.
Let Others Know
Facebook
Twitter
Reddit
LinkedIn
Email
WhatsApp
Copied!