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Deviation ratio: In a frequency modulation system, the ratio of the maximum frequency deviation of the carrier to the maximum modulating frequency of the system under specified conditions

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Royce Homenick

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3y ago

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What is the deviation ratio for frequency modulation?

Deviation ratio: In a frequency modulation system, the ratio of the maximum frequency deviation of the carrier to the maximum modulating frequency of the system under specified conditions


Define modulation and modulation index?

a measure of the degree of frequency modulation expressed numerically for a pure tone modulation as the ratio of the frequency deviation to the frequency of the modulating signal.


What is Modulation index in Frequency modulation?

Modulation Index is the ratio of the maximum deviation frequency to the frequency of modulation. In other words it is the ratio of the spread in frequency spectrum to the frequency that was used to modulate the carrier. For FM, modulation index is given by the formula mf= df/f where, mf=modulation index for FM df=difference in carrier frequency f=frequency of the signal


What has the author Maurice Herbert Riches written?

Maurice Herbert Riches has written: 'F.M. deviation' -- subject(s): Frequency deviation, Frequency-deviation meters, Radio frequency modulation, Transmitters and transmission


What is the formula to find the modulating index?

Deviation/Frequency of Modulation...times penis...


When does maximum frequency deviation occur?

Maximum frequency deviation occurs in frequency modulation (FM) when the modulating signal reaches its peak amplitude. This deviation represents the greatest difference between the carrier frequency and the modulated frequency. In practice, it corresponds to the point where the instantaneous frequency of the carrier signal varies the most due to the modulation, often occurring at the maximum input signal level.


What is Modulation index formula in Frequency modulation?

The modulation index formula in frequency modulation (FM) is given by the equation: β = Δf / fm, where β is the modulation index, Δf is the peak frequency deviation, and fm is the modulating frequency. Modulation index indicates how much the carrier frequency is being varied by the modulating signal in FM.


How do you calculate frequency deviation?

here is the formula modulation index=peak freq deviation/operating freq. frm this we can calculate freq dev


In frequency modulation what happens to the bandwidth when you increase the modulating frequency?

Bandwidth increases as a function of both modulating frequencyand deviation. As deviation increases, pairs of sidebands are generated, each equal to fc+m and fc-m, fc+2m, fc-2m etc. where fc = the carrier frequency and m = the modulating frequency. Increasing modulation (frequency deviation) will change the level of each of the sideband pairs - and the carrier, which at times falls to zero.


What is the significance of the delta f/f measurement in the context of frequency modulation?

The delta f/f measurement is important in frequency modulation because it indicates the extent of frequency deviation from the carrier signal. This measurement helps determine the amount of information that can be encoded and transmitted through the modulation process.


What is the significance of the delta f over f parameter in frequency modulation?

The delta f over f parameter in frequency modulation is significant because it represents the frequency deviation relative to the carrier frequency. It determines the amount by which the frequency of the modulated signal varies from the original carrier frequency. This parameter is crucial in determining the bandwidth and quality of the modulated signal in frequency modulation systems.


What is the effect of varying frequency of the carrier signal on the AM wave?

spread spectrum , modulation or depending on the bandwidth poss FM (deviation)