DC speed control (CB7291E)

This control for motors up to 1 A was found in a Siliconix documentation using its own component. The circuit is of the PWM type.

| Clique na imagem para ampliar |

Opto Power Shield (CB23723E)
The transistor used is a high current Darlington, but an equivalent discrete configuration can be...
Voltage Reference LM158 (CB15253E)
This circuit uses half of the LM158 operational double but can be used in the series as the LM258,...
Logic Test (CB8911E)
Using transistors and lamps, this simple circuit was found in Popular Electronics. The circuit can...