FMmodulated

FM modulated, or Frequency Modulation (FM), is a method of transmitting information by varying the frequency of a carrier wave in accordance with the information signal. This technique is widely used in radio broadcasting, television, and other wireless communication systems. FM modulation offers several advantages over Amplitude Modulation (AM), including improved signal-to-noise ratio and reduced distortion, making it particularly suitable for audio transmission.

In FM modulation, the frequency of the carrier wave is shifted up or down by an amount proportional to the amplitude of the modulating signal. This results in a constant amplitude carrier wave, which helps to minimize distortion and improve the overall quality of the transmitted signal. The frequency deviation, which is the maximum amount by which the carrier frequency can be shifted, is a critical parameter in FM systems and is typically measured in kilohertz (kHz).

FM modulated signals can be demodulated using various techniques, including frequency discrimination and phase-locked loops. These methods allow the original information signal to be recovered from the modulated carrier wave, enabling the transmission of audio, video, and other data over wireless channels.

FM modulation is also used in other applications, such as radar and satellite communications, where its robustness and reliability make it a preferred choice. The development of FM modulation has significantly contributed to the advancement of wireless communication technologies, enabling the transmission of high-quality audio and video signals over long distances.