This 13.6 V power supply with 8 A output was suggested by Texas Instruments in the documentation of the 90s. Power transistors must be equipped with good heat sinks.
This circuit was found in a 1985 English magazine, but it can still be easily assembled, as the...
This circuit was found in a 1980s documentation. The low voltage circuit uses a PUT. Transistors can...
Found in Popular Electronics from the 90s, this circuit serves to indicate the output level of a...