This circuit can be used to power 6, 9 or 12 V devices in your car. The maximum current is 1.5 A. The circuit is from a 1983 Electronics Hobbyist Handbook.
This circuit is from an Argentine publication from 1973 but can be assembled with BC558 and BC548...
This two-stage amplifier circuit with RC coupling was obtained in a 1977 Radio Handbook. The...
This control for motors up to 1 A was found in a Siliconix documentation using its own component....