How Radio Works: Part 1

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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

Пікірлер: 5

@Zackthefanman76 Жыл бұрын

Thanks again for this great video. I just got into antique radioes and had a hard time learning how they work before this video.

@sleepy_lizzz6074 Жыл бұрын

This was posted on my b-day Great video btw!

@MichelleHell 2 жыл бұрын

When an EM wave travels through space and its intensity fluctuates does the intensity pass through zero? Or is it that the photon always has some non-zero force vector?

@UKZBATR 2 жыл бұрын

The power is the product of the magnetic field and the electric field. So the intensity of the power is constant and not fluctuating