Results tagged #Crystal Radio in Circuits
Loudspeaking crystal radio receivers
A lots of radio amateurs have an interest to power a simplest radio receivers with the "free energy", i. e. the energy, taken by the receive...
Circuit Diagram of a Crystal Radio Receiver with AF Amplification using a Germanium Transistor
The following schematic shows a Crystal Radio Receiver Circuit Diagram with AF Amplification using a Germanium Transistor. The addition of A...
Basic Crystal Radio ReceiverCircuit by Elmer G. Osterhoudt
A crystal radio receiver is a very simple radio receiver which needs no battery or power source and runs on the power received from radio wa...
Crystal Radio Circuits
The crystal radio gets its name from the galena crystal (lead sulfide) used to rectify the signals. A "cat`s whisker" wire contact was moved...
Crystal Radio Antenna Preamplifier
Adapting one of my failed Tesla coils into a crystal radio set to show the neighborhood kids. I`ve run into the #1 problem everyone faces no...
Crystal radio schematics
The fundamentals of crystals has not changed since this article appeared in a 1960 edition of Popular Electronics. The way they are grown, c...
Crystal radio schematics
The fundamentals of crystals has not changed since this article appeared in a 1960 edition of Popular Electronics. The way they are grown, c...
Variometer Crystal Radio
...
Coupler Crystal Radio
A two-circuit tuner, as the loose coupler, is one of the only ways selectivity can be accomplished without sacrificing sensitivity. Let`s lo...
crystal radio
The radio itself is a single-tuned set with dual 365 caps tuning on the antenna and detector sides of the single coil. The coil features num...
My Crystal Radio Page
Crystal radios require no outside sources of power to operate, just the radio waves themselves. The first crystal set I built was a "variome...
Help with crystal radio circuit
Ok first of all I am sort of a complete noob I made a `crystal` radio circuit from parts i got out of an old busted radio, a LM386N audio am...
The Nic Nac Tic Tac Crystal Radio Set
Crystal radios have been around for over 100 years and exist in many different shapes, sizes and complexities. Some are definitely better th...
Nostalgic Crystal Radios
Apart from the diode (which replacement would need a PbS, Lead Sulphyde, galena cristal) everything you can see in the circuit (for the no p...
Crystal Radio
Welcome to the Birmingham, Alabama Crystal Radio Group website. We are the host of the crystal radio receiving contest.This page contains a ...
Rocket Crystal Radio
...
The Simple AM Broadcast Band
is a crystal radio circuit that is simple in design but ineffective in tuning to the medium wave AM broadcast band. Component: Antenna, .....
Crystal Set 1
The P-C70-A from Antique Electronics Supply works just as well and maybe a little better than the coils you can wind. Winding coils is an in...
Crystal Radio
My original BFO, a small EICO 330 solid state signal generator, served well to bring in a variety of distant LW beacons. In late-2004/early-...
Dual Litz Honeycomb Coils Crystal Radio
I hope that this crystal set is well received by all of you. My #62 radio combines the features of some of my earlier radios. It combines th...
Build a Crystal Shortwave Radio
This project combines two popular themes from radio history ”crystal radios and shortwave (SW) listening. It`s designed from scratch by ou...
Crystal Radio II
Nice Crystal Radio with 1N34A Germanium Diode....
Tunable Crystal radio circuit
This is a very simple crystal reciever circuit for short wave band and can be used with headphones....
Crystal Radio III
This is basically a crystal radio with an audio amplifier which is fairly sensitive and receives several strong stations in the Los Angeles ...
Foxhole crystal radio
Building a foxhole radio is rewarding and the basic setup is very simple. It is, however, difficult to adjust, and it may take several attem...
Selective Frequency Crystal Radio
The coil on the left is coil#1, and has 17 taps. The other coil is coil #3. The vertical strips are the lath material, screwed to the 1 f...
Crystal Radio
The source connection is tapped into the tuning coil low down, as a means of impedance matching with the headphones and acts as the anode, w...
Crystal Radio with LM358N
The AM signal is captured by the antenna , 10 mt long horizontal wire, WELL insulated from earth (I mean distant, to lower the stray capacit...
CRYSTAL RADIO SET
Here is the schematic diagram for a very basic crystal radio set without any particular embellishments. This basic old time radio uses no po...