Esta radio de 1942 utiliza 5 válvulas con filamentos en serie. El circuito AC/DC es para ondas medias y cortas.

Radio RCA 34X de 1942
Esta radio de 1942 utiliza 5 válvulas con filamentos en serie. El circuito AC/DC es para ondas medias y cortas.
Este circuito fue sugerido por el manual de optoelectrónica de Texas Instruments. La misma...
Encontrado en una publicación americana de los años 50, este circuito utiliza transformadores de...
Este circuito fue encontrado en una Radio Elettronica (Italia) de abril de 1974. El circuito se...
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