Car Battery Power Supply (CB25334E)

This car battery power supply was found in the June 1990 issue of Radio Electronics magazine. Integrated circuits must be equipped with heat sinks.

| Clique na imagem para ampliar |

Charger & Regulated Adapter Nicad (CB1212E)
This charger for currents up to 100 mA was found in a 1980 publication. The transistor could be...
High Stability Voltage Reference (CB1211E)
In the figure we have a high stability voltage reference, providing a voltage of 10 V at the...
Workbench symmetrical power supply (CB5871E)
This circuit is from old documentation, but can be adapted to use modern components. Power...