Power supply for automotive projects (CB21187E)

This 1 A power supply was found in an Electronics Now from the 90's. The integrated circuits must be equipped with heat sinks.

| Clique na imagem para ampliar |

200 mW Amplifier (CB21672E)
This amplifier was taken from documentation from the 1960s. Transistors are germanium types from...
Basic Function Generator (CB15022E)
In the figure we have the basic configuration of a function generator with two operational ones,...
Night Switch (CB896E)
At dusk this circuit triggers a relay switching lamps. The circuit can be powered from 6 to 12 V...