This circuit was found in the January 1999 issue of Electronics Now magazine. The turn-on time is given by the capacitor and MOSFET and must be in accordance with the controlled load.
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...