9/28/2023 0 Comments Download 2n2222 for free![]() The ferrite coil from am radio and a variable tunning capacitor sintonize the frecuency and the other circuits is amplification and selectivity. ![]() We'll need some electronic components and any other thinks that you like to add for modify the radioģ- NPN TRANSISTORS (I RECOMMEND YOU TO USE GERMANIUM TRANSISTORS AC187) OR 2N2222 ANY GENERAL PURPOSE TRANSISTOR.ġ- VARIABLE CAPACITOR FROM AN OLD RADIO O FROM RADIOSHACK STOREġ- FERRITE COIL (ANTENNA AM RADIO) FROM AN OLD RADIO TOO.ġ- 3k3 Resistor (if whistles appears in the output cound you can to change the value between 2K7 TO 3K3 ohms).ġ- Little Speaker (you can to choose add plug for earphones).ġ- 1.5 V Battery (AA/AAA/C/D) anyone you have.ġ- Wood enclosure or anyone you have it's for to protect the proyect and have better look.ġ- dill or anything to make the holes in the enclosure.ġ- PCB board of cooper for to make the circuit.
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