CRYSTAL
RADIO



CRYSTAL RADIO

CRYSTAL RADIO RELATED TOPICS

WHAT IS A CRYSTAL RADIO?

CRYSTAL RADIO LINKS



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SECTION 1



CRYSTAL
RADIO



A crystal radio, sometimes called a crystal set, is a very simple AM
(or rarely FM) radio receiver, that does not need batteries to work.
A long wire antenna gathers enough of the radio signals from nearby
transmitters to power a crystal diode, which demodulates the signals,
and plays them as sound through an earphone or small headset.


Crystal radio
https://simple.wikipedia.org/wiki/Crystal_radio



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SECTION 2



CRYSTAL
RADIO
RELATED
TOPICS



Crystal Radio Receiver
https://en.wikipedia.org/wiki/Crystal_radio_receiver/

Batteryless radio
https://en.wikipedia.org/wiki/Batteryless_radio

Camille Papin Tissot
https://en.wikipedia.org/wiki/Camille_Papin_Tissot

Coherer
https://en.wikipedia.org/wiki/Coherer

Demodulator
https://en.wikipedia.org/wiki/Demodulator

Detector (radio)
https://en.wikipedia.org/wiki/Detector_(radio)

Electrolytic detector
https://en.wikipedia.org/wiki/Electrolytic_detector

History of radio
https://en.wikipedia.org/wiki/History_of_radio



Crystal
radio
https://en.wikipedia.org/wiki/Crystal_radio



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SECTION 3



WHAT IS A
CRYSTAL
RADIO?



A crystal radio receiver is the earliest form of radio invented, and first
began to be made after the rectifying property of crystals was discovered
in 1874 by the German inventor Karl Braun.

Many crystal forms, such as the mineral galena or lead sulfide, which served
as the crystal component of early crystal radios, allow electrical current
to pass in primarily only one direction.


What Is a Crystal Radio?
https://www.easytechjunkie.com/what-is-a-crystal-radio.htm



What are crystals
used for in radio?
https://physics.stackexchange.com/questions/359607/what-are-crystals-used-for-in-radio



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SECTION 4



CRYSTAL
RADIO
LINKS



An FM Crystal Set
http://electronbunker.ca/eb/FMCrystalSet.html

Ben Tongue's Technical Talk
http://www.bentongue.com/

Crystal Radio
https://crystalradio.net/

Crystal Radio
https://onlineradiobox.com/ca/crystal/

Crystal Radios Past
http://www.crystalrad.com/

CRYSTAL RADIO SET
https://www.electronics-tutorials.com/receivers/crystal-radio-set.htm

Crystal Radio Supply
http://www.crystalradiosupply.com/

Crystal radio tips and tricks
https://rimstar.org/science_electronics_projects/crystal_radio_tips_and_tricks.htm

Eric Wrobbel
http://www.ericwrobbel.com/

The Forgotten Crystal Radio – Revisited
https://www.electronicsforu.com/electronics-projects/forgotten-crystal-radio-revisited

High Power Crystal Set
https://hibp.ecse.rpi.edu/~john/xtal.html

History and Technical
Information on Crystal Radios
http://www.hobbytech.com/crystalradio/crystalradio.htm



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HOBBY TECH
http://www.hobbytech.com/

How A Crystal Radio Works
http://www.crystalradio.net/howitworks/

How Does a Crystal Radio Work
https://www.electronics-notes.com/articles/radio/radio-receivers/how-does-crystal-radio-work.php

How Does a Crystal Radio Work?
Radio Guide for Beginners
https://windupradio.com/how-does-a-crystal-radio-work/

MIDNIGHT SCIENCE
http://www.midnightscience.com/

Peebles Original
http://www.peeblesoriginals.com/

QRZ Now
http://qrznow.com/

REMEMBERING THE CRYSTAL RADIO
https://www.nutsvolts.com/magazine/article/remembering-the-crystal-radio

SCITOYS
http://www.sci-toys.com/

TWO WAY RADIO
http://www.twoway-radio.co.uk/



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Radio
World
https://www.radioworld.com/



World
Radio
Map
https://worldradiomap.com/



US Federal
Communications
Commission (FCC)
https://www.fcc.gov/



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