Este artículo salió en una Popular Electronics de julio de 1965. El artículo es actual y bastante interesante. En él la unión base colector de cualquier transistor se utiliza como detector o galena en una radio AM experimental. La bobina consiste en 100 espiras de hilo 28 AWG en un bastón de ferrita de 10 a 15 cm de longitud. La antena debe ser larga y el auricular de alta impedancia (2k a 10k). Se puede usar un resistor de 10 k y un auricular o una cápsula piezoeléctrica o de cristal. C1 es una variable extraída de una radio de ondas medias.

 


 

 

 

 

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