Deviation sensitivity of fm

The FM broadcasting range between 87.5 and 108 MHz uses a typical channel spacing of 100 or 200 kHz, with a maximum frequency deviation of +/-75 kHz, in some cases leaving a buffer above the highest and below the lowest frequency to reduce interaction with other channels.

1. What is deviation sensitivity?
2. What determines the deviation in FM?
3. What is frequency deviation formula?
4. What is FM phase deviation?

What is deviation sensitivity?

The sensitivity is normally defined as the slope of the calibration curve. A new parameter is introduced to account for the linearity errors, the sensitivity deviation, defined as the deviation from the undistorted slope of the calibration curve.

What determines the deviation in FM?

f(t) = f0 + ∆f(t) Peak deviation: In the case of frequency modulation, the peak deviation ∆f is the absolute maximum of the difference between the unmodulated carrier frequency (f0) and the instantaneous frequency f(t).

What is frequency deviation formula?

The toned (single frequency) modulating signal consists of only one frequency component and this signal is modulated with a carrier signal. For tone modulation, the frequency deviation is. ∆ f = k f A m. Where, is the amplitude of modulating signal.

What is FM phase deviation?

In phase modulation, the maximum difference between the instantaneous phase angle of the modulated wave and the phase angle of the carrier. Note: For a sinusoidal modulating wave, the phase deviation, expressed in radians, is equal to the modulation index.