Pye History Trust provides an explanation of how a basic amplitude-modulation (AM) #radio works.
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Exhibits featured in the video are on display in the Pye Story (www.pye-story.org) at Cambridge Museum of Technology (www.museumoftechnology.com)
In Part 2 ( • How Radio Works: Part 2 ) frequency-modulation (FM) radio is explained.
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#electronics
#broadcast
0:00 Introduction
0:19 The Electromagnetic Spectrum
0:55 How Radio waves are produced
3:03 Frequency and wavelength
3:25 How information is sent using Radio waves
4:02 Modulation
4:58 The radio receiver
5:15 How early Radio sets worked
6:06 How the Radio signal is selected
6:50 How the Radio signal is amplified
7:07 How the audio signal is detected
8:00 How the audio signal is amplified
8:11 How the audio signal is converted back to sound
Негізгі бет How Radio Works: Part 1
Пікірлер: 5