In the modern society, radio is the most widely used of broadcasting and electronic communication. It plays a major role in many areas. In radio broadcasts, they use the radio waves, which can be both microwaves, and longer radio waves. These are transmitted in two ways: amplitude modulation (AM) and frequency modulation (FM). These two kinds of waves have many differences. Amplitude modulation is the oldest method of transmitting voice and music through the airwaves. …
showed first 75 words of 410 total

showed last 75 words of 410 total
…FM waves do have advantages. They are not affected by static as much as AM waves. FM waves also result in a truer reproduction of sound than AM waves. Furthermore, FM has much better sound than AM because AM has different frequency and wavelength than FM. AM stations broadcast on frequencies of between 535 and 1605 kilohertz and FM band extends from 88 to 108 megahertz. With these two waves people can compare two different bands on the radio.