Web Results

Radio - Wikipedia


Radio is the technology of using radio waves to carry information, such as sound, .... An audio signal (top) may be carried by an AM or FM radio wave. Amplitude ...

AM vs FM - Difference and Comparison | Diffen


In FM, a radio wave known as the "carrier" or "carrier wave" is modulated in frequency by the signal that is to be transmitted. The amplitude and phase remain the ...

A Science Odyssey: Radio Transmission: FM vs AM - PBS


FM radio works the same way that AM radio works. The difference is in how the carrier wave is modulated, or altered. With AM radio, the amplitude, or overall ...

Broadcast Signals - HyperPhysics


Radio communication is typically in the form of AM radio or FM Radio ... frequencies which are produced by superposition of some signal upon the carrier wave.

What Are Radio Waves? - Live Science


Apr 6, 2015 ... Radio waves are a type of electromagnetic radiation. ... HF, VHF and UHF bands include FM radio, broadcast television sound, public service ...

What is the difference between FM and AM radio? - Quora


AM and FM use different modulation techniques. AM modulates the carrier by changing the ... This assumes you are speaking of broadcast AM (Medium wave/ 300 meter band) and Broadcast FM (3 meter Band). Any frequency can be AM, FM, ...

What is the difference between AM and FM radio? | Reference.com


The basic difference between AM and FM radio is contained in their names; AM stands for amplitude ... The way in which radio waves are manipulated to...

Radio and digital radio | How it works | AM and FM compared


Nov 29, 2016 ... Artwork: How radio waves travel from a transmitter to a receiver. ... Frequency modulation is how FM radio is broadcast; amplitude modulation is ...

AM, FM Radio Waves and Sound - CyberCollege


May 28, 2013 ... Note in the tan area at the left of the illustration below that AM radio waves are of a lower frequency than either FM radio or TV waves. Thus, as ...

The Difference Between AM and FM | Difference Between


Aug 31, 2009 ... Since most environmental factors that distort radio waves only affect its amplitude and not the frequency where FM stores the actual voice ...