Found in a Hands On Electronics from the 90s, this circuit can be easily assembled today, as the FET can be equivalent and the operational is general-purpose.
This circuit was found in General Electric documentation from 1964. It makes use of a PUT, called the...
The circuit shown in the figure is suggested by ON Semiconductor (www.onsemi.com), based on its...
This circuit for discharging NiCad batteries limits the current to a value that can be adjusted in the...