This medium power circuit is from an English publication from 1989. The integrated circuits are of types that are still obtainable. The power supply must source at least 2A.
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This circuit, obtained in a 1983 magazine, can drive loads up to 100 mA if the transistors are...
This two-input limit detector was found in an American 1980s documentation. The circuit can be...
This circuit of an Electronics Now from the 90's produces an intelligent direction signal that has...