What Is Narrow Band Frequency Modulation? A narrow band FM is the FM wave with a small bandwidth , The modulation index mf of narrow band FM is small as compared to one radian . Hence, the spectrum of narrow band FM consists of the carrier and upper sideband and a lower sideband . What
What Is The Need For Pre Emphasis And De-emphasis? To return the frequency response to its normal level, a de-emphasis circuit is used at the receiver. … The combined effect of pre-emphasis and de-emphasis is to increase the high-frequency components during transmission so that they will be stronger and not masked by noise. What is
What Is Amplitude Modulation And Its Advantages? Amplitude Modulation is easier to implement. When it comes to power usage it is not efficient. Demodulation can be done using few components and a circuit. It requires a very high bandwidth that is equivalent to that of the highest audio frequency. What do you mean by amplitude
What Does Modulation Actually Do To A Message And Carrier? What does modulation actually do to a message and carrier? This process of imposing an input signal onto a carrier wave is called modulation. In other words, modulation changes the shape of a carrier wave to somehow encode the speech or data information that we