Found in Popular Electronics from the 90s, this circuit consists of a timer that turns off the power of a circuit after a time determined by C1, saving the battery.
With the presented circuit it is possible to measure resistances of many megohms using a low...
Series and parallel regulator (CB8814E) The two voltage regulator configurations are combined in...
This circuit was found in the power semiconductor manual of the 1980s ON Semiconductor. The...