Frequency

Frequency Modulation to arbitrary Audio signals [closed]

Frequency Modulation to arbitrary Audio signals [closed]
  1. Why does frequency modulation give noiseless reception?
  2. What is the frequency of audio modulation?
  3. What are the two types of frequency modulation?

Why does frequency modulation give noiseless reception?

Because the frequency of a radio wave is less vulnerable to noise than the amplitude, FM was originally introduced to reduce noise and improve the quality of radio reception. In order to accomplish this, FM radio signals have bandwidth several times that of AM signals. Bandwidths six times or larger are common.

What is the frequency of audio modulation?

The frequency band for FM radio is about 88 to 108 MHz. The information signal is music and voice which falls in the audio spectrum. The full audio spectrum ranges form 20 to 20,000 Hz, but FM radio limits the upper modulating frequency to 15 kHz (cf.

What are the two types of frequency modulation?

There are two different types of frequency modulation used in telecommunications: analog frequency modulation and digital frequency modulation.

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