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Google Keyword Rankings for : build a crystal or diode radio
1
The Complete Guide on How to Build a Crystal Radio—Plus ...
https://steampunk.wonderhowto.com/how-to/complete-guide-build-crystal-radio-plus-they-work-0141117/
That's why you need a crystal (or diode) to adjust the signal, and then a very, very sensitive earpiece to hear it. When you use a powered radio ...
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https://steampunk.wonderhowto.com/how-to/complete-guide-build-crystal-radio-plus-they-work-0141117/
That's why you need a crystal (or diode) to adjust the signal, and then a very, very sensitive earpiece to hear it. When you use a powered radio ...
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2
How to Make a Crystal Radio - wikiHow
https://www.wikihow.com/Make-a-Crystal-Radio
› ... › Amateur Radio
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https://www.wikihow.com/Make-a-Crystal-Radio
› ... › Amateur Radio
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3
Build Your Own Crystal Radio | Science Project
https://www.sciencebuddies.org/science-fair-projects/project-ideas/Elec_p014/electricity-electronics/crystal-radio
Crystal radio science project: investigate how to build your own AM radio ... shows the parts of a crystal radio: antenna, tuning coil, diode (labeled as ...
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https://www.sciencebuddies.org/science-fair-projects/project-ideas/Elec_p014/electricity-electronics/crystal-radio
Crystal radio science project: investigate how to build your own AM radio ... shows the parts of a crystal radio: antenna, tuning coil, diode (labeled as ...
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4
Build an Antique Style Crystal Radio - Instructables
https://www.instructables.com/Build-an-antique-style-crystal-radio/
› Workshop › Science
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https://www.instructables.com/Build-an-antique-style-crystal-radio/
› Workshop › Science
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5
Building a crystal radio out of household items | Science Toys
https://scitoys.com/homemade_radio.html
We attach one earphone wire to one side of the diode also, and the other earphone wire to the other end. We put the long wire up in the air by attaching each ...
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https://scitoys.com/homemade_radio.html
We attach one earphone wire to one side of the diode also, and the other earphone wire to the other end. We put the long wire up in the air by attaching each ...
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6
Building a crystal radio set - The Open University
https://www.open.edu/openlearn/science-maths-technology/science/physics-and-astronomy/physics/building-crystal-radio-set
A crystal set is the most basic type of radio receiver. It is capable of receiving AM (amplitude modulated) transmissions, which are generally ...
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https://www.open.edu/openlearn/science-maths-technology/science/physics-and-astronomy/physics/building-crystal-radio-set
A crystal set is the most basic type of radio receiver. It is capable of receiving AM (amplitude modulated) transmissions, which are generally ...
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7
Build a crystal radio set in 10 minutes - Sci-Toys
https://sci-toys.com/scitoys/scitoys/radio/ten_minute_radio.html
Building a radio in 10 minutes. · A ferrite loop antenna coil · A variable capacitor (30 to 160 picofarads) · A Germanium diode (1N34A) · A piezoelectric earphone.
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https://sci-toys.com/scitoys/scitoys/radio/ten_minute_radio.html
Building a radio in 10 minutes. · A ferrite loop antenna coil · A variable capacitor (30 to 160 picofarads) · A Germanium diode (1N34A) · A piezoelectric earphone.
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8
Crystal Radio Circuits
http://techlib.com/electronics/crystal.html
Silicon diodes are not a good choice because their much higher barrier potential requires larger signals for efficient rectification. Certain silicon Schottky ...
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http://techlib.com/electronics/crystal.html
Silicon diodes are not a good choice because their much higher barrier potential requires larger signals for efficient rectification. Certain silicon Schottky ...
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9
Crystal radios - rimstar.org
https://rimstar.org/equip/crystal_radios.htm
Homemade/DIY crystal radio with tunable coil and variable capacitor with the circuit ... The only parts not homemade are the germanium diode and the crystal ...
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https://rimstar.org/equip/crystal_radios.htm
Homemade/DIY crystal radio with tunable coil and variable capacitor with the circuit ... The only parts not homemade are the germanium diode and the crystal ...
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10
Build a Crystal Radio: Electronics Series - Part I
https://digitalcommons.library.umaine.edu/cgi/viewcontent.cgi?article=1288&context=univ_publications
The wire from the other side of the crystal diode goes to the upper earphone clip. You may need a piece of hook-up wire to reach it. Keep the wet cloth on the ...
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https://digitalcommons.library.umaine.edu/cgi/viewcontent.cgi?article=1288&context=univ_publications
The wire from the other side of the crystal diode goes to the upper earphone clip. You may need a piece of hook-up wire to reach it. Keep the wet cloth on the ...
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11
Credit Card Chip Used To Make Crystal Radio - Hackaday
https://hackaday.com/2020/06/01/credit-card-chip-used-to-make-crystal-radio/
Perhaps the simplest radio one can build is the crystal radio. Using a diode as a detector, the design generally uses less than 10 ...
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https://hackaday.com/2020/06/01/credit-card-chip-used-to-make-crystal-radio/
Perhaps the simplest radio one can build is the crystal radio. Using a diode as a detector, the design generally uses less than 10 ...
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12
Make Your Own Crystal Radio! - Carl Franck Group
https://franckgroup.lassp.cornell.edu/sites/franck/files/Make%20Your%20Own%20Crystal%20Radio%21.pdf
We can explain this in detail as follows: following the tuner stage, the radio uses a germanium diode to extract the audio signal from the much higher frequency ...
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https://franckgroup.lassp.cornell.edu/sites/franck/files/Make%20Your%20Own%20Crystal%20Radio%21.pdf
We can explain this in detail as follows: following the tuner stage, the radio uses a germanium diode to extract the audio signal from the much higher frequency ...
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13
Would paralleling diodes make a crystal radio work better?
https://www.kb6nu.com/would-paralleling-diodes-make-a-crystal-radio-work-better/
So, to answer my own question, no, I don't think that paralleling diodes in a crystal radio circuit would make it work noticeably better.
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https://www.kb6nu.com/would-paralleling-diodes-make-a-crystal-radio-work-better/
So, to answer my own question, no, I don't think that paralleling diodes in a crystal radio circuit would make it work noticeably better.
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14
Homebrew Galena Crystal Set - OHIO Personal Websites
https://people.ohio.edu/postr/bapix/CrystlRd.htm
Those taps are fed to ten smooth-head screws that make up the tap selector switch contacts. 1920's Crystal radio inside view. Repairs As with all older ...
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https://people.ohio.edu/postr/bapix/CrystlRd.htm
Those taps are fed to ten smooth-head screws that make up the tap selector switch contacts. 1920's Crystal radio inside view. Repairs As with all older ...
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15
How Does a Crystal Radio Set Work - Electronics Notes
https://www.electronics-notes.com/articles/radio/radio-receivers/how-does-crystal-radio-work.php
There are many circuits that can be used to make a crystal radio set. All work in basically the same way but optimise different elements of the operation.
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https://www.electronics-notes.com/articles/radio/radio-receivers/how-does-crystal-radio-work.php
There are many circuits that can be used to make a crystal radio set. All work in basically the same way but optimise different elements of the operation.
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16
NEW Crystal Radio Kit 6 - Mike's Electronic Parts
https://www.mikeselectronicparts.com/product/crystal-radio-kit-6/
Learning how to build a Crystal Radio Receiver is a great way for anyone to get started in the electronic field. The Simple Crystal Diode Radio Sets we have ...
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https://www.mikeselectronicparts.com/product/crystal-radio-kit-6/
Learning how to build a Crystal Radio Receiver is a great way for anyone to get started in the electronic field. The Simple Crystal Diode Radio Sets we have ...
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17
Can I make a crystal radio using a normal diode? - Quora
https://www.quora.com/Can-I-make-a-crystal-radio-using-a-normal-diode
From the way your question is worded you have a kit to build or a or a pre assembled radio. Since a crystal will only detect AM signals you will hear a lot of ...
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https://www.quora.com/Can-I-make-a-crystal-radio-using-a-normal-diode
From the way your question is worded you have a kit to build or a or a pre assembled radio. Since a crystal will only detect AM signals you will hear a lot of ...
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18
Loud MW Diode Radio V2 From Above - Pinterest
https://www.pinterest.com/pin/551268810625627868/
Jan 24, 2017 - Describing how to make a Practical Crystal Set AM Radio That is Quite Loud and has standard parts.
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https://www.pinterest.com/pin/551268810625627868/
Jan 24, 2017 - Describing how to make a Practical Crystal Set AM Radio That is Quite Loud and has standard parts.
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19
TheCoolBritsElectronics - Crystal Radio - Google Sites
https://sites.google.com/site/thecoolbritselectronics/rf/crystal-radio
To build this circuit I suggest you buy a germanium diode like an 1N34 or 1N60P but if you have the patience and really want to make a working diode yourself ...
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https://sites.google.com/site/thecoolbritselectronics/rf/crystal-radio
To build this circuit I suggest you buy a germanium diode like an 1N34 or 1N60P but if you have the patience and really want to make a working diode yourself ...
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20
How to Make / Build a Crystal Radio - Circuits DIY
https://www.circuits-diy.com/how-to-make-build-a-crystal-radio/
The crystal radio schematic is basic which is mentioned underneath and can build it very easily without any hesitation if all parts are ...
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https://www.circuits-diy.com/how-to-make-build-a-crystal-radio/
The crystal radio schematic is basic which is mentioned underneath and can build it very easily without any hesitation if all parts are ...
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21
How to Make a Crystal Radio: A Quick Guide for Beginners
https://windupradio.com/how-to-make-a-crystal-radio/
Build the Capacitor · Start by cutting the aluminum foil into squares. · Tape one square of the aluminum foil in a two-inch tube. · Cut papers into ...
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https://windupradio.com/how-to-make-a-crystal-radio/
Build the Capacitor · Start by cutting the aluminum foil into squares. · Tape one square of the aluminum foil in a two-inch tube. · Cut papers into ...
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22
Crystal radio - Wikipedia
https://en.wikipedia.org/wiki/Crystal_radio
Crystal radios are the simplest type of radio receiver and can be made with a few inexpensive parts, such as a wire for an antenna, a coil of wire, a capacitor, ...
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https://en.wikipedia.org/wiki/Crystal_radio
Crystal radios are the simplest type of radio receiver and can be made with a few inexpensive parts, such as a wire for an antenna, a coil of wire, a capacitor, ...
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23
Build Your Own Crystal Radio Kit - Science Buddies | HST
https://www.homesciencetools.com/product/crystal-radio-kit/
The parts of a crystal radio include an antenna, a tuning coil, a diode detector/crystal detector (labeled as "detector"), earphones/earpiece, and a connection ...
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https://www.homesciencetools.com/product/crystal-radio-kit/
The parts of a crystal radio include an antenna, a tuning coil, a diode detector/crystal detector (labeled as "detector"), earphones/earpiece, and a connection ...
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24
Diodes - PBS
https://www.pbs.org/transistor/science/info/diodes.html
The first diodes were crystals used as rectifiers in home radio kits. A weak radio signal was fed into the crystal through a very fine wire called a cat's ...
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https://www.pbs.org/transistor/science/info/diodes.html
The first diodes were crystals used as rectifiers in home radio kits. A weak radio signal was fed into the crystal through a very fine wire called a cat's ...
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25
The Forgotten Crystal Radio – Revisited - Electronics For You
https://www.electronicsforu.com/electronics-projects/forgotten-crystal-radio-revisited
› electronics-projects
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https://www.electronicsforu.com/electronics-projects/forgotten-crystal-radio-revisited
› electronics-projects
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26
Crystal Radio Diode - Peter Vis
https://www.petervis.com/Radios/making-a-crystal-radio/crystal-radio-diode.html
Crystal Radio Diode. Germanium diode with two red bands. A germanium diode is used to demodulate an amplitude modulated (AM) signal. Germanium is a special ...
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https://www.petervis.com/Radios/making-a-crystal-radio/crystal-radio-diode.html
Crystal Radio Diode. Germanium diode with two red bands. A germanium diode is used to demodulate an amplitude modulated (AM) signal. Germanium is a special ...
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27
Make this Crystal Radio Set Circuit using No Batteries
https://www.homemade-circuits.com/simple-crystal-radio-circuit-using-no/
The main components involved with this simple crystal radio set circuit are an ordinary antenna coil, a detector diode, an optional resistor ...
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https://www.homemade-circuits.com/simple-crystal-radio-circuit-using-no/
The main components involved with this simple crystal radio set circuit are an ordinary antenna coil, a detector diode, an optional resistor ...
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28
Crystal Radios, AM Transmitters Good Prep for Amateur License
https://www.designnews.com/electronics-test/crystal-radios-am-transmitters-good-prep-amateur-license
Building a crystal radio and an AM transmitter are fun and serve as a great ... enough of the radio signals from nearby transmitters to power the diode, ...
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https://www.designnews.com/electronics-test/crystal-radios-am-transmitters-good-prep-amateur-license
Building a crystal radio and an AM transmitter are fun and serve as a great ... enough of the radio signals from nearby transmitters to power the diode, ...
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29
High-Power Crystal Radio
https://hibp.ecse.rpi.edu/~john/xtal.html
After all the parts have been mounted on the chassis, wire them together following the the schematic and pictorial diagrams. Be sure that the diodes D1 and D2 ...
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https://hibp.ecse.rpi.edu/~john/xtal.html
After all the parts have been mounted on the chassis, wire them together following the the schematic and pictorial diagrams. Be sure that the diodes D1 and D2 ...
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30
crystal radio set - Electronics Tutorials
https://www.electronics-tutorials.com/receivers/crystal-radio-set.htm
› receivers › cryst...
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https://www.electronics-tutorials.com/receivers/crystal-radio-set.htm
› receivers › cryst...
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31
Construct a crystal radio | Jaycar Electronics
https://www.jaycar.com.au/construct-a-crystal-radio
› construct-a-crystal-radio
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https://www.jaycar.com.au/construct-a-crystal-radio
› construct-a-crystal-radio
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32
Crystal Radios: Stay Tuned Crystal Sets
https://crystalradio.net/
Everything you need to know about building a crystal radio with Cub Scouts. ... Parts for crystal radios - diodes, air variables, wire,
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https://crystalradio.net/
Everything you need to know about building a crystal radio with Cub Scouts. ... Parts for crystal radios - diodes, air variables, wire,
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33
Learning Electronics — 2. Fun with Crystal Radio and ...
https://rayshobby.net/wordpress/learning-electronics-2-crystal-radio-and-extensions/
Diode D: use a diode with small forward drop voltage. The classic choice is a Germanium diode, such as 1N34A or 1N60. However, Germanium diodes ...
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https://rayshobby.net/wordpress/learning-electronics-2-crystal-radio-and-extensions/
Diode D: use a diode with small forward drop voltage. The classic choice is a Germanium diode, such as 1N34A or 1N60. However, Germanium diodes ...
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34
Build a Crystal Shortwave Radio - Phil's Old Radios
https://antiqueradio.org/econoceanic.htm
Part No. Price. 1, Diode, 1N34A, Radio Shack 276-1123, $ 1.19 pkg 10. 1, Variable capacitor ...
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https://antiqueradio.org/econoceanic.htm
Part No. Price. 1, Diode, 1N34A, Radio Shack 276-1123, $ 1.19 pkg 10. 1, Variable capacitor ...
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35
Crystal Radio Set - Amazon.com
https://www.amazon.com/Crystal-Radio-Set/s?k=Crystal+Radio+Set
Amazon.com: Crystal Radio Set. ... 75MHZ AM CRYSTAL SET FUT/HI/JR ... Ceramic Earpiece Bare Wire Leads Transistor Crystal Radios & DIY Make Electronics.
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https://www.amazon.com/Crystal-Radio-Set/s?k=Crystal+Radio+Set
Amazon.com: Crystal Radio Set. ... 75MHZ AM CRYSTAL SET FUT/HI/JR ... Ceramic Earpiece Bare Wire Leads Transistor Crystal Radios & DIY Make Electronics.
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36
Crystal Radio for sale - eBay
https://www.ebay.com/b/Crystal-Radio/931/bn_7023235559
1950s EM Tone ER-22 Japan Crystal Diode Pocket Radio w Box Earphone Wires NOS @@. $39.00. 9 bids. $5.25 shipping. Ending Wednesday at 2:21PM PST22h 21m ...
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https://www.ebay.com/b/Crystal-Radio/931/bn_7023235559
1950s EM Tone ER-22 Japan Crystal Diode Pocket Radio w Box Earphone Wires NOS @@. $39.00. 9 bids. $5.25 shipping. Ending Wednesday at 2:21PM PST22h 21m ...
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37
Just for Fun: Crystal Radios - D.P. Goldenberg UofU
https://goldenberg.biology.utah.edu/fun.shtml
Many years ago, one of my sons asked how a radio worked, and I suggested that the best way to answer his question was for us to build a crystal radio, ...
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https://goldenberg.biology.utah.edu/fun.shtml
Many years ago, one of my sons asked how a radio worked, and I suggested that the best way to answer his question was for us to build a crystal radio, ...
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38
How to Make / Build a Crystal Radio | Circuit Diagram
http://www.circuitdiagram.org/how-to-make-build-crystal-radio.html
Diode: OA91 Germinium Diode · Earpiece: The circuit require crystal earpiece or high impedance headphones. · Coil: 80 turns of 26 s.w.g. Enameled copper wire ...
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http://www.circuitdiagram.org/how-to-make-build-crystal-radio.html
Diode: OA91 Germinium Diode · Earpiece: The circuit require crystal earpiece or high impedance headphones. · Coil: 80 turns of 26 s.w.g. Enameled copper wire ...
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39
This Crystal Radio Is Made From a Few Components and Old ...
https://www.hackster.io/news/this-crystal-radio-is-made-from-a-few-components-and-old-credit-cards-66adb1b19918
Otherwise, all you need to make the crystal radio is an antenna, coil, capacitors, a detector (crystal, diode, zero voltage MOSFET, LED), ...
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https://www.hackster.io/news/this-crystal-radio-is-made-from-a-few-components-and-old-credit-cards-66adb1b19918
Otherwise, all you need to make the crystal radio is an antenna, coil, capacitors, a detector (crystal, diode, zero voltage MOSFET, LED), ...
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40
DIY Radio Receivers For Cheap With Found Materials - Make:
https://makezine.com/projects/diy-radio-receivers-for-cheap-with-found-materials/
Steps · Step #1: MAKE THE COIL pt.1 · Step #2: MAKE THE COIL pt.2 · Step #3: BEGIN THE DIODE · Step #4: WIRE THE ANTENNA · Step #5: ADD A GROUND.
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https://makezine.com/projects/diy-radio-receivers-for-cheap-with-found-materials/
Steps · Step #1: MAKE THE COIL pt.1 · Step #2: MAKE THE COIL pt.2 · Step #3: BEGIN THE DIODE · Step #4: WIRE THE ANTENNA · Step #5: ADD A GROUND.
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41
How to build a crystal radio - JOTA-JOTI
https://www.jotajoti.info/sites/default/files/uploads/JOTA-JOTI2021assets/Radio%20activities/How%20to%20build%20a%20crystal%20radio%20-%20A1.pdf
Variable capacitor, 350-400 pF. ○ 47 k resistor. ○ Germanium diode (eg. OA91, 1N34). ○ High impedance (>1 k ) or piezoelectric earphones; if the earphones ...
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https://www.jotajoti.info/sites/default/files/uploads/JOTA-JOTI2021assets/Radio%20activities/How%20to%20build%20a%20crystal%20radio%20-%20A1.pdf
Variable capacitor, 350-400 pF. ○ 47 k resistor. ○ Germanium diode (eg. OA91, 1N34). ○ High impedance (>1 k ) or piezoelectric earphones; if the earphones ...
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42
How to Make a Radio: Amplify an AM "Crystal" Radio
https://geekpackhack.com/cool-engineering-projects/how-to-make-a-radio/
In the most simple crystal radios, you could connect a sensitive earpiece directly to the diode without any battery or other power source.
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https://geekpackhack.com/cool-engineering-projects/how-to-make-a-radio/
In the most simple crystal radios, you could connect a sensitive earpiece directly to the diode without any battery or other power source.
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43
Crystal Radio question - Physics Forums
https://www.physicsforums.com/threads/crystal-radio-question.966379/
My grandson and I are doing radio projects. This involves basic crystal build using a coil, diode, and resistor. The system is grounded and ...
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https://www.physicsforums.com/threads/crystal-radio-question.966379/
My grandson and I are doing radio projects. This involves basic crystal build using a coil, diode, and resistor. The system is grounded and ...
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44
Build a High End Multiband Crystal Radio - Alvenh Channe
http://www.alvenh.com/misc-projects/crystalset/
The crystal radio, or “crystal set”, is a radio receiving circuit that does not require an external power source to operate. Running only on energy from radio ...
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http://www.alvenh.com/misc-projects/crystalset/
The crystal radio, or “crystal set”, is a radio receiving circuit that does not require an external power source to operate. Running only on energy from radio ...
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45
High Sensitivity Crystal Set - ARRL
http://www.arrl.org/files/file/Technology/tis/info/pdf/culter.pdf
germanium detector diode such as the well- known 1N34A. To rekindle the spark of your youth or to interest young people in radio, consider building a radio ...
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http://www.arrl.org/files/file/Technology/tis/info/pdf/culter.pdf
germanium detector diode such as the well- known 1N34A. To rekindle the spark of your youth or to interest young people in radio, consider building a radio ...
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46
Build a Crystal Radio with an Amplifier Class Kit
https://www.kemtecscience.com/product-page/build-a-crystal-radio-with-an-amplifier
As students build their own old fashioned Crystal Radios, they explore the effects of coil design, building materials, and antennae number and length, on ...
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https://www.kemtecscience.com/product-page/build-a-crystal-radio-with-an-amplifier
As students build their own old fashioned Crystal Radios, they explore the effects of coil design, building materials, and antennae number and length, on ...
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47
Quality crystal radio set | Wiki-Bulgaria Wiki | Fandom
https://wikibulgaria.fandom.com/wiki/Quality_crystal_radio_set
The diode itself is not responsible for FM to AM convertion. It's the resonant circuits . In order to build a VHF crystal radio detector, it is easiest to ...
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https://wikibulgaria.fandom.com/wiki/Quality_crystal_radio_set
The diode itself is not responsible for FM to AM convertion. It's the resonant circuits . In order to build a VHF crystal radio detector, it is easiest to ...
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48
Remembering the Crystal Radio - | Nuts & Volts Magazine
https://www.nutsvolts.com/magazine/article/remembering-the-crystal-radio
Silicon diodes make poor detectors because their knee occurs at a voltage too high for the weak signals found in crystal radios. A video showing me poking ...
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https://www.nutsvolts.com/magazine/article/remembering-the-crystal-radio
Silicon diodes make poor detectors because their knee occurs at a voltage too high for the weak signals found in crystal radios. A video showing me poking ...
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49
Crystal Radio Set Systems: - Hackaday.io
https://cdn.hackaday.io/files/922403946396160/tongue1engineering.pdf
Crystal Radio Diode Detector. Power Loss with Current with Voltage Waveforms, as. Determined from a SPICE Simulation. P 123. ARTICLE 09. Build the Diode ...
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https://cdn.hackaday.io/files/922403946396160/tongue1engineering.pdf
Crystal Radio Diode Detector. Power Loss with Current with Voltage Waveforms, as. Determined from a SPICE Simulation. P 123. ARTICLE 09. Build the Diode ...
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50
Building My 2nd Crystal Radio - Slinky Crystal Radio Kit
https://www.radiosurvivor.com/2015/02/building-my-2nd-crystal-radio-slinky-crystal-radio-kit/
Following this step, we prepared the earphone, diode and connecting wires. I created small loops at the end of the diode wires and connecting ...
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https://www.radiosurvivor.com/2015/02/building-my-2nd-crystal-radio-slinky-crystal-radio-kit/
Following this step, we prepared the earphone, diode and connecting wires. I created small loops at the end of the diode wires and connecting ...
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51
Why we don't use a silicon diode in a crystal radio?
https://www.fbnews.jp/202007/ww05/
About 50 years ago, I saw a radio called a "Crystal Radio." It was a simple radio in which a coil, a variable capacitor, and two or three other parts were ...
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https://www.fbnews.jp/202007/ww05/
About 50 years ago, I saw a radio called a "Crystal Radio." It was a simple radio in which a coil, a variable capacitor, and two or three other parts were ...
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52
How to design a crystal radio receiver on a bread board?
https://electronics.stackexchange.com/questions/563105/how-to-design-a-crystal-radio-receiver-on-a-bread-board
I remember doing such exotics in the 60's. For example, I used a graphite contact with a razor blade as a diode. I also melted sulfur and lead ...
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https://electronics.stackexchange.com/questions/563105/how-to-design-a-crystal-radio-receiver-on-a-bread-board
I remember doing such exotics in the 60's. For example, I used a graphite contact with a razor blade as a diode. I also melted sulfur and lead ...
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53
Modern Crystal and Transistor Set Circuits for Beginners
https://worldradiohistory.com/UK/Bernards-And-Babani/Babani/10-Modern-Crystal-and-Transistor-Set-Circuits-for-Beginners.pdf
and the small amount of wiring necessary to construct the crystal set according to circuit A. Either the diode or transistor can be used.
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https://worldradiohistory.com/UK/Bernards-And-Babani/Babani/10-Modern-Crystal-and-Transistor-Set-Circuits-for-Beginners.pdf
and the small amount of wiring necessary to construct the crystal set according to circuit A. Either the diode or transistor can be used.
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54
Build a Crystal Radio with an Amplifier Single Kit - Nature-Watch
https://www.nature-watch.com/build-a-crystal-radio-with-an-amplifier-single-kit-p-2267.html
Mounting board · Copper Wire · Cardboard Tubes · Magnet Wire · Breadboard · Steel Wire · Masking tape · Germanium Diode ...
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https://www.nature-watch.com/build-a-crystal-radio-with-an-amplifier-single-kit-p-2267.html
Mounting board · Copper Wire · Cardboard Tubes · Magnet Wire · Breadboard · Steel Wire · Masking tape · Germanium Diode ...
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55
Build a crystal radio and see if it is possible to hear aliens with ...
http://www.projects.juliantrubin.com/science_fair_project/electronics/crystal_radio.html
This component is now called a diode. Crystal radios are the simplest type of radio receiver and can be handmade with a few inexpensive parts, like an antenna ...
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http://www.projects.juliantrubin.com/science_fair_project/electronics/crystal_radio.html
This component is now called a diode. Crystal radios are the simplest type of radio receiver and can be handmade with a few inexpensive parts, like an antenna ...
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56
What Is a Crystal Radio? (with picture) - EasyTechJunkie
https://www.easytechjunkie.com/what-is-a-crystal-radio.htm
Modern components have also made them easier to build. This includes replacing the cat's whisker receiver with a solid state crystal diode.
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https://www.easytechjunkie.com/what-is-a-crystal-radio.htm
Modern components have also made them easier to build. This includes replacing the cat's whisker receiver with a solid state crystal diode.
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57
David Carter - Galena - the mineral that can hear - Mindat.org
https://www.mindat.org/article.php/3895/Galena+-+the+mineral+that+can+hear
The device at the top of this Swedish crystal radio is the galena ... in contact with it on a part of the crystal, making a diode contact.
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https://www.mindat.org/article.php/3895/Galena+-+the+mineral+that+can+hear
The device at the top of this Swedish crystal radio is the galena ... in contact with it on a part of the crystal, making a diode contact.
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58
CRYSTAL RADIO: - WjMpP”” - FUNDAMENTALS
https://nvhrbiblio.nl/biblio/boek/Kinzie%20-%20Crystal%20radio,%20fundamentals%20and%20design.pdf
Crystal Radio: ... receivers, it was decided to develop Braun's crystal detector, ... Fleming Diode Valve) and that de Forest had already applied.
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https://nvhrbiblio.nl/biblio/boek/Kinzie%20-%20Crystal%20radio,%20fundamentals%20and%20design.pdf
Crystal Radio: ... receivers, it was decided to develop Braun's crystal detector, ... Fleming Diode Valve) and that de Forest had already applied.
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59
Crystal radio - Wikiwand
https://www.wikiwand.com/en/Crystal_radio
[1] This component is now called a diode. ... Annual crystal radio 'DX' contests (long distance reception) and building contests allow these set owners to ...
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https://www.wikiwand.com/en/Crystal_radio
[1] This component is now called a diode. ... Annual crystal radio 'DX' contests (long distance reception) and building contests allow these set owners to ...
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60
Designing a DX Crystal Set - Antique Wireless Association
https://antiquewireless.org/wp-content/uploads/41-designing_a_dx_crystal_set.pdf
diodes. Layout and construction, particularly in the RF-carrying sections (antenna ... The crystal set, like any other radio, consists of a series of ...
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https://antiquewireless.org/wp-content/uploads/41-designing_a_dx_crystal_set.pdf
diodes. Layout and construction, particularly in the RF-carrying sections (antenna ... The crystal set, like any other radio, consists of a series of ...
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61
An LM386 Powered Crystal Radio in an Altoids Smalls Tin
https://makerf.com/posts/an_lm386_powered_crystal_radio_in_an_altoids_smalls_tin
You may be wondering where the "crystal" is in this crystal radio. It's in the diode that we are using to detect our RF signal. Specifically, ...
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https://makerf.com/posts/an_lm386_powered_crystal_radio_in_an_altoids_smalls_tin
You may be wondering where the "crystal" is in this crystal radio. It's in the diode that we are using to detect our RF signal. Specifically, ...
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62
My Crystal Radio Page - Electronixandmore
https://www.electronixandmore.com/adam/crystal1.html
Lately, I've been building crystal radios like the early radio pioneers used. ... At first the radio didn't work because the detector diode, which should be ...
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https://www.electronixandmore.com/adam/crystal1.html
Lately, I've been building crystal radios like the early radio pioneers used. ... At first the radio didn't work because the detector diode, which should be ...
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63
Crystal Radio Kit - Etsy
https://www.etsy.com/market/crystal_radio_kit
Check out our crystal radio kit selection for the very best in ... Portable Radio Receiver Kit FM PCB DIY Electronic Kits 76MHz-108MHz.
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https://www.etsy.com/market/crystal_radio_kit
Check out our crystal radio kit selection for the very best in ... Portable Radio Receiver Kit FM PCB DIY Electronic Kits 76MHz-108MHz.
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64
Crystal Radio Building Instructions - Tom Polk
http://www.tompolk.com/crystalradios/buildinginstructions.html
You can switch the connections of the short coil and long coil, so that the long coil goes to the diode. This often works better with a longer ...
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http://www.tompolk.com/crystalradios/buildinginstructions.html
You can switch the connections of the short coil and long coil, so that the long coil goes to the diode. This often works better with a longer ...
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65
build a crystal radio - learn morse code
http://www.learnmorsecode.com/help/xtal1.html
Crystal radio circuit using pairs of diodes instead of ONE 1N34A diode. I was given this circuit to try various diodes instead of relying on the discontinued ...
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http://www.learnmorsecode.com/help/xtal1.html
Crystal radio circuit using pairs of diodes instead of ONE 1N34A diode. I was given this circuit to try various diodes instead of relying on the discontinued ...
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66
crystal radio using varactor diode ? - Google Groups
https://groups.google.com/g/sci.electronics.basics/c/wSM_C0cSYQ8
>variable capacitor ? I could use something like this, too. Also, a tiny 3kHz oscillator circuit that uses a varactor diode would be nice. I'm trying to build a
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https://groups.google.com/g/sci.electronics.basics/c/wSM_C0cSYQ8
>variable capacitor ? I could use something like this, too. Also, a tiny 3kHz oscillator circuit that uses a varactor diode would be nice. I'm trying to build a
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67
Crystal Radio Kit - Geojohn.org
http://www.geojohn.org/Radios/MyRadios/CRKit/CrystalKit.html
Any crystal radio worth building should have good sensitivity. That means that you should be able to hear even relatively distant and weak stations. Of course, ...
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http://www.geojohn.org/Radios/MyRadios/CRKit/CrystalKit.html
Any crystal radio worth building should have good sensitivity. That means that you should be able to hear even relatively distant and weak stations. Of course, ...
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68
Crystal Radio Kit - United Nuclear
https://unitednuclear.com/index.php?main_page=index&cPath=27_98
Also available is our Antenna Kit as well as components for those who wish to build their own Crystal Radio from scratch.
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https://unitednuclear.com/index.php?main_page=index&cPath=27_98
Also available is our Antenna Kit as well as components for those who wish to build their own Crystal Radio from scratch.
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69
Crystal Radios – Construction, Listening, and Contesting
https://swling.com/blog/2022/01/guest-post-crystal-radios-construction-listening-and-contesting/
Fortunately, in the early 1920's the crystal radio had been around for a while and it was easy to make or purchase a completed set on a limited ...
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https://swling.com/blog/2022/01/guest-post-crystal-radios-construction-listening-and-contesting/
Fortunately, in the early 1920's the crystal radio had been around for a while and it was easy to make or purchase a completed set on a limited ...
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70
A simple crystal set for free power radio - VK3YE
https://vk3ye.com/gateway/nodec00.htm
Picture of crystal set. This article describes a crystal set of medium complexity. It features coil taps for the antenna and diode to make it useful for ...
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https://vk3ye.com/gateway/nodec00.htm
Picture of crystal set. This article describes a crystal set of medium complexity. It features coil taps for the antenna and diode to make it useful for ...
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71
The TOROIDyne by DaveWave Technologies - ham signal
https://hamsignal.com/blog/the-toroidyne-by-davewave-technologies
I am just an old fart enjoying retirement building radios, ... Tuning a crystal radio by switching taps on the first stage coil always ...
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https://hamsignal.com/blog/the-toroidyne-by-davewave-technologies
I am just an old fart enjoying retirement building radios, ... Tuning a crystal radio by switching taps on the first stage coil always ...
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72
Crystal radio Facts for Kids
https://kids.kiddle.co/Crystal_radio
A crystal radio, sometimes called a crystal set, is a very simple AM ... in contact with it on a part of the crystal, making a diode contact.
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https://kids.kiddle.co/Crystal_radio
A crystal radio, sometimes called a crystal set, is a very simple AM ... in contact with it on a part of the crystal, making a diode contact.
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73
How to Build a Homemade Radio That Really Works
https://scoutlife.org/hobbies-projects/projects/40/catch-some-radio-waves/
1 diode: Look for IN34A diodes, also called “germanium diodes,” at an electronics supply store or online. 1 glue stick or anything similar in size — about 1 ...
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https://scoutlife.org/hobbies-projects/projects/40/catch-some-radio-waves/
1 diode: Look for IN34A diodes, also called “germanium diodes,” at an electronics supply store or online. 1 glue stick or anything similar in size — about 1 ...
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74
Zero-Power Radio Device - OSTI.gov
https://www.osti.gov/servlets/purl/1422358
much sense to build a very small, portable radio receiver with a 12ft antenna. ... For a detector, the crystal-set radio uses a low knee-voltage diode, ...
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https://www.osti.gov/servlets/purl/1422358
much sense to build a very small, portable radio receiver with a 12ft antenna. ... For a detector, the crystal-set radio uses a low knee-voltage diode, ...
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75
Chapter 4: Radio
https://instructional-resources.physics.uiowa.edu/sites/instructional-resources.physics.uiowa.edu/files/field/demos/documents/5n10.67%20-%20Chapter%204_%20Radio%20--%20Build%20a%20simple%20crystal%20radio%20set.%20Fast%2C%20simple%2C%20cheap%2C%20a.pdf
Chapter 4: Radio -- Build a simple crystal radio set. Fast, simple, cheap, and it ... better for our radio than the more common silicon diodes, which can.
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https://instructional-resources.physics.uiowa.edu/sites/instructional-resources.physics.uiowa.edu/files/field/demos/documents/5n10.67%20-%20Chapter%204_%20Radio%20--%20Build%20a%20simple%20crystal%20radio%20set.%20Fast%2C%20simple%2C%20cheap%2C%20a.pdf
Chapter 4: Radio -- Build a simple crystal radio set. Fast, simple, cheap, and it ... better for our radio than the more common silicon diodes, which can.
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76
A Good Crystal Radio - Interesting Electronics
https://www.interestingelectronics.com/old/henrys_interesting_electronics/loud_crystal_set_radio/loud_crystal_set_radio.htm
Describing how to make a practical crystal set AM radio that is quite loud, ... old transistor radio (a working one - the diodes are sometimes open circuit)
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https://www.interestingelectronics.com/old/henrys_interesting_electronics/loud_crystal_set_radio/loud_crystal_set_radio.htm
Describing how to make a practical crystal set AM radio that is quite loud, ... old transistor radio (a working one - the diodes are sometimes open circuit)
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77
Build a 3D Printed Crystal Radio Receiver from Household Items
https://all3dp.com/3d-print-crystal-radio-receiver-household-items/
It's called a crystal radio receiver – named after its crystal detector or diode. You may also know it by the name of a “cat's whisker ...
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https://all3dp.com/3d-print-crystal-radio-receiver-household-items/
It's called a crystal radio receiver – named after its crystal detector or diode. You may also know it by the name of a “cat's whisker ...
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78
[OC] The making of a Crystal Radio : r/amateurradio - Reddit
https://www.reddit.com/r/amateurradio/comments/jcm0pt/oc_the_making_of_a_crystal_radio/
The diode cuts off half of the information, since if you recall, AM uses two side-bands that are identical. At that point you have a signal that ...
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https://www.reddit.com/r/amateurradio/comments/jcm0pt/oc_the_making_of_a_crystal_radio/
The diode cuts off half of the information, since if you recall, AM uses two side-bands that are identical. At that point you have a signal that ...
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79
a Radio or a Watch? -the magic of Quartz Crystals
http://earthsci.org/story/radio%20watch/qtz_xtals.html
So quartz crystals can be used to make Radios and to make very accurate Watches ... or the device called a diode, in this case a quartz crystal is used.
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http://earthsci.org/story/radio%20watch/qtz_xtals.html
So quartz crystals can be used to make Radios and to make very accurate Watches ... or the device called a diode, in this case a quartz crystal is used.
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80
VEC-121K, KIT, CRYSTAL RADIO SET | MFJ Enterprises Inc
https://mfjenterprises.com/products/vec-121k
The VEC-121K crystal radio set uses a crystal diode detector designed nearly ... The kit includes all hardware and parts needed to build a working crystal ...
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https://mfjenterprises.com/products/vec-121k
The VEC-121K crystal radio set uses a crystal diode detector designed nearly ... The kit includes all hardware and parts needed to build a working crystal ...
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81
Documentation of my high performance Crystal Set
http://www.thelen.us/1crystal.php
A "crystal set" is a radio receiver that operates using a crystal (diode) to ... If you are looking for a site that shows how to make a crystal radio, ...
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http://www.thelen.us/1crystal.php
A "crystal set" is a radio receiver that operates using a crystal (diode) to ... If you are looking for a site that shows how to make a crystal radio, ...
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82
CRYSTAL RADIO DXing - QSL.net
https://qsl.net/ve7sl/crystal.html
POWER · 1. Avoid winding coils on wood or cardboard forms. · 2. Avoid small guage wire for coils. · 3. Make your coils big! · 4. Use the best quality tuning ...
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https://qsl.net/ve7sl/crystal.html
POWER · 1. Avoid winding coils on wood or cardboard forms. · 2. Avoid small guage wire for coils. · 3. Make your coils big! · 4. Use the best quality tuning ...
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83
crystal radio - engineering 4 kids
https://engineering4kids.org/2019/01/26/crystal-radio/
This component is now called a diode. Crystal radios are the simplest type of radio receiver and can be handmade with a few inexpensive parts, ...
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https://engineering4kids.org/2019/01/26/crystal-radio/
This component is now called a diode. Crystal radios are the simplest type of radio receiver and can be handmade with a few inexpensive parts, ...
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84
The crystal radio page - Bizarre Labs
https://bizarrelabs.com/crystalradio.htm
It is a fairly simple process to make a working radio using a modern diode for a detector. However, the reason these are called crystal sets is because the ...
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https://bizarrelabs.com/crystalradio.htm
It is a fairly simple process to make a working radio using a modern diode for a detector. However, the reason these are called crystal sets is because the ...
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85
Build A Classic Crystal Radio - Retro Thing
https://www.retrothing.com/2007/09/build-a-classic.html
Instructables offers a step-by-step guide to building your own little crystal set, so you can amaze your iPod toting friends with dozens of ...
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https://www.retrothing.com/2007/09/build-a-classic.html
Instructables offers a step-by-step guide to building your own little crystal set, so you can amaze your iPod toting friends with dozens of ...
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86
Building a Crystal Radio Receiver
http://joshburker.blogspot.com/2014/01/building-crystal-radio-receiver.html
Another three foot hookup wire is connected to the diode behind hole three. The last five inches of this hookup wire is stripped of insulation ...
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http://joshburker.blogspot.com/2014/01/building-crystal-radio-receiver.html
Another three foot hookup wire is connected to the diode behind hole three. The last five inches of this hookup wire is stripped of insulation ...
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87
Crystal Radio Plans - Journey to Forever
http://journeytoforever.org/edu_xtal/PLANS.HTM
D1 is a common 1N34 germanium diode- this is the detector. ... If you are going to build the radio in diagram 2 you will need the variable capacitor- If you ...
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http://journeytoforever.org/edu_xtal/PLANS.HTM
D1 is a common 1N34 germanium diode- this is the detector. ... If you are going to build the radio in diagram 2 you will need the variable capacitor- If you ...
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88
How to build a sensitive crystal receiver
http://www.crystal-radio.eu/engev.htm
Diode connected to a tap on the coil. The best sensitivity is always reached if the diode is connected to top of the LC circuit, and RL=RD= 3xRP. But not always ...
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http://www.crystal-radio.eu/engev.htm
Diode connected to a tap on the coil. The best sensitivity is always reached if the diode is connected to top of the LC circuit, and RL=RD= 3xRP. But not always ...
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89
An FM Crystal Set - Electron Bunker
http://electronbunker.ca/eb/FMCrystalSet.html
Hence, there are quadrature signals applied across the diodes which act as a synchronous detector. As the frequency modulated radio carrier ...
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http://electronbunker.ca/eb/FMCrystalSet.html
Hence, there are quadrature signals applied across the diodes which act as a synchronous detector. As the frequency modulated radio carrier ...
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90
Crystal Radio Demonstrations - The Physics of Resonance
http://www.intuitor.com/resonance/cRadio.html
The signal is then passed through a diode to transform it from AC to DC (see Figure 1) form so that it can drive a very sensitive ear phone. The diode at one ...
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http://www.intuitor.com/resonance/cRadio.html
The signal is then passed through a diode to transform it from AC to DC (see Figure 1) form so that it can drive a very sensitive ear phone. The diode at one ...
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91
A Simple Crystal AM Radio that Needs No Batteries - KE3IJ
http://www.ke3ij.com/xtal.htm
If you've never built a crystal radio before, be advised: you must use a Germanium diode such as a 1N34 or 1N60 for the detector; don't try to use a silicon ...
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http://www.ke3ij.com/xtal.htm
If you've never built a crystal radio before, be advised: you must use a Germanium diode such as a 1N34 or 1N60 for the detector; don't try to use a silicon ...
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92
Crystal radio circuits, Crystal Receivers, The educational ...
http://educypedia.karadimov.info/electronics/circuitsrfcrystal.htm
Crystal radio Crystal radios are simple devices. The components are a coil (inductor), a detector (germanium diode), a tuning capacitor, a ...
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http://educypedia.karadimov.info/electronics/circuitsrfcrystal.htm
Crystal radio Crystal radios are simple devices. The components are a coil (inductor), a detector (germanium diode), a tuning capacitor, a ...
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93
Build a crystal set. - Angelfire
https://www.angelfire.com/electronic/funwithtubes/Crystal_Set-1.html
The tuning capacitor from the radio is connected to the large winding of the ferrite antenna. The ground terminal of the capacitor connects to ...
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https://www.angelfire.com/electronic/funwithtubes/Crystal_Set-1.html
The tuning capacitor from the radio is connected to the large winding of the ferrite antenna. The ground terminal of the capacitor connects to ...
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