La mayor simplicidad para un receptor de radio que la obtenida por el autor de este proyecto encontrado en una publicación de 1981, es difícil de lograr. Como podemos ver por la figura, este receptor consiste simplemente en dos bobinas, una antena, una llave y un auricular que debe ser de cristal o magnético de alta impedancia. L1 está formada por 80 espiras de hilo esmaltado 32 AWG y L2 está formada por 5 o 6 espiras del mismo hilo sobre L1. La antena es de 10 m de longitud o más. La bobina debe tener un núcleo de ferrita. Con el cierre de la llave se cambia el rango de recepción. Vea que la sintonía de este receptor se logra con el movimiento del núcleo de ferrita en la bobina. Y claro que se trata de un proyecto muy simple que puede ser perfeccionado por los lectores más creativos. El diodo detector puede ser de cualquier tipo dando preferencia a los tipos de germanio como el 1N34 o 1N60.

 


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18.837MBMemory Usage47.86msRequest Duration
Joomla! Version5.2.3
PHP Version8.3.20
Identityguest
Response200
Templatecassiopeia
Database
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