Super heterodyne input stage (CB8393E)

Found in a 90s Popular Electronics, this circuit uses components from that time, for a superheterodyne receiver design.

| Clique na imagem para ampliar |

Safe Test (CB23569E)
This fuse test circuit was found in Radio Electronics magazine from August 1958. The circuit was...
555 PWM LED Set (CB17286E)
With this simple circuit we can control the brightness of a set of LEDs of any color through...
Brake and direction indicator (CB7118E)
This circuit was suggested by Popular Electronics from the 90s. The circuit is quite simple using...