Found in a 1967 Electronic Design, this circuit changes the phase of a signal in 8 different ways, given by the formulas next to the diagram. Equivalent general-purpose transistors can be used.
What differentiates the circuit shown in the figure is the use of two inverter gates to trigger the...
The purpose of this circuit is to turn off the power supplied by a battery when its voltage drops...
We found this conventional receiver circuit in a 1990 documentation. The circuit includes an audio...