The maximum input voltage of this circuit is 20V and the output current is 250 mA. The circuit is from old documentation. The integrated circuit used is no longer common in our time.
Found in a 1970 EEE, this circuit uses general-purpose transistors of the time. Transistors support...
This simple source using fixed voltage regulators can supply currents up to 1 A at the voltages...
Originally suggested by Harris in the 1990s, this circuit uses an optical tachometer. The circuit is...