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by Ciro Santilli (@cirosantilli, 37)

Crystal radio

 ... Area of technology Electronics Electronic component Diode Semiconductor diode Crystal detector
 0 By others on same topic  0 Discussions  Updated 2025-06-17  +Created 1970-01-01  See my version
Tags: Radio receiver
This was the first generation of commercially successful radios.
It uses a crystal detector as its diode, which is a crucial element of the radio, thus its name.
They were superseded by transistor radios, which were much more reliable, portable and could amplify the signal received.
Figure 1. Source.
Video 1.
How a Crystal radio Works by RimstarOrg
. Source.

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