When the power is cut off, this circuit keeps the flashlight on for a while, allowing it to be located. The circuit is from a Radio Electronics from September 1992.
Found in Ferranti's 1974 transistor manual, this circuit is a self-oscillating version of the...
This blocking oscillator that appears elsewhere on this site from other sources, was found in a...
This circuit rectifies low voltage sinusoidal signals for measurement purposes, as the circuit is of low...