This circuit, obtained from old documentation, doubles the frequency of the pulses applied to the input. The circuit must be powered by a voltage of 5 V.
This short circuit protection circuit accelerates the blown fuse in case of an output overcurrent. The...
When the sensor is wetted by a spray caused by someone falling into a pool or even by a wave...
This circuit was obtained in a 1967 General Electric documentation. It is a relaxation oscillator...