This latching light alarm was found in the 1995 Encyclopedia of Electronic Circuits Volume 5. The circuit is powered with 12 V to provide a signal to a power stage.
This circuit shows how to implement a negative resistance device with an operational amplifier. The...
This fast Schmitt trigger operates at frequencies from 10 Hz to 100 Hz, with very short rise time....
This circuit detects the presence of strong signals from spy transmitters, enabling their...