This circuit was found in the March 1995 issue of Electronics Now magazine. The circuit requires a symmetrical power supply, and the FET is a common general-purpose type.
3KSMC21AH 3000W Transient Suppressor from Taiwan semiconductor Taiwan Semiconductor is making...
Many still like to hear medium waves but live in places with difficult reception with many...
This circuit, from a 1988 documentation, activates a relay for a period and has a touch shutdown as...