This low-cost AM transmitter is tunable from 10 to 15 MHz with the help of ½J gang condenser VC1, which determines the carrier frequency of the amplitude modulation transmitter in conjunction with ...

THE YEAR WAS 1906. On Christmas Eve of that year, Canadian inventor Reginald Fessenden carried out the first amplitude modulation (AM) radio broadcast of voice and music. He used a high-speed ...

AM radios are relatively simple devices, and building one is a good way to start exploring the world of radio communications. [GreatScott] does exactly this in the video after the break, building both ...

For the first time in history, a prototype radio has been created that is claimed to be completely digital, generating high-frequency radio waves purely through the use of integrated circuits and a ...

Radio Pakistan, also known as the Pakistan Broadcasting Corp., has chosen GatesAir’s high-power Flexiva DX and 3DX series of AM transmitters to deliver news, information and entertainment over the air ...

There’s a big reason those enormous AM radio transmitter towers are surrounded in fences: touching them can be incredibly dangerous on account of the enormous amounts of power pushed through them. A ...