This detector was found in an old Electronic Design using transistors of the time. The circuit can be made with modern equivalent transistors. See the charts with your performance.
January 2017 - Mouser Electronics is shipping the new Littlelfuse TVS SP1043, SP1044 and SP1045...
The circuit shown by the figure produces a sine signal of about 1 kHz. The components in the...
This circuit can be adjusted between 0.2 and 2 V to trigger with chosen voltages comparing them with...