This circuit interrupts the power supply when grounding is missing. The circuit is from an old documentation (from the 80's) using current transformers and other components of the time.
This sound effect circuit uses only one integrated. We found it in a 90's EDN. The effects can be...
This circuit was suggested in an article in Radio Electronics magazine in January 1992. Other...
The bipolar transistors can be the BC548 and the FET a BF245. This configuration has a time...