Unit gain (CB6727E)

This circuit was obtained from an Electronics World of 1969. General-purpose transistors can be used in this configuration.

| Clique na imagem para ampliar |

Switch with Diodes (CB19925E)
This configuration for switching signals uses only common general-purpose diodes such as 1N4148. The...
Electronic Slot Machine (CB6893E)
This digital electronic game circuit was found in a 1982 publication. It randomly draws the...
Sensible light relay 2 (CB22126E)
This version works in the opposite way to the previous one, activating when the light falls on the...