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Crystal radio

technology Maturity 9-11

A crystal radio is a simple radio.

Kristallradio.JPG
Kristallradio.JPG
It does not need a battery. It gets power from the air. You use earphones to hear the sound. It was a very popular toy.
Vintage Arrow Germanium Crystal Radio (23708349181).jpg
Vintage Arrow Germanium Crystal Radio (23708349181).jpg
Do you want to listen?

44 words
🖼️ Images & Media (25)
File:Kristallradio.JPG
Kristallradio.JPG
File:Vintage Arrow Germanium Crystal Radio (23708349181).jpg
Vintage Arrow Germanium Crystal Radio...
File:Crystal radio receiver block diagram.svg
Crystal radio receiver block diagram.svg
File:Common crystal radio circuit.svg
Common crystal radio circuit.svg
File:CrystalRadio.jpg
CrystalRadio.jpg
File:Wire inverted L antenna construction.png
Wire inverted L antenna construction.png
File:Simplest crystal radio circuit.svg
Simplest crystal radio circuit.svg
File:Crystal radio with impedance matching.svg
Crystal radio with impedance matching.svg
File:Inductively coupled crystal radio circuit.svg
Inductively coupled crystal radio circuit.svg
File:Crystal radio receiver from wireless era.png
Crystal radio receiver from wireless era.png
File:Kristallradio (3).jpg
Kristallradio (3).jpg
File:Germanium Diode 1N60.jpg
Germanium Diode 1N60.jpg

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📚 Content adapted from Wikipedia | Readability: FK 13.8 | Vital Level 5