Which radio station is in your area - Modulation | Physics Buddies
Channel: Physics Buddies
Date: 2023-03-31

Amplitude modulation (AM) and frequency modulation (FM) are two of the most widely used techniques in radio communication. In this video, we will discuss the fundamental concepts behind AM and FM and how they work.

We will begin with AM, which is a method of transmitting information by varying the amplitude of a carrier signal. We will explain the process of modulation, which involves superimposing a low-frequency information signal onto a high-frequency carrier signal. We will also cover the demodulation process, where the original information signal is extracted from the modulated signal.

Next, we will delve into FM, which is a technique of varying the frequency of a carrier signal to transmit information. We will discuss how the modulation of the frequency of the carrier wave is achieved and the different types of FM, including narrowband FM and wideband FM. Additionally, we will explain how FM is less susceptible to noise and interference than AM.

Throughout the video, we will use visual aids and examples to make the concepts of AM and FM more accessible and understandable. By the end of the video, viewers will have a solid understanding of how AM and FM work and the applications of these modulation techniques in real-world communication systems.
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