We found this circuit in a 1967 documentation. The integrated circuit and an operational one of the time. Modern equivalents can be tried out. The power supply is symmetrical.
Based on a JFET, this sensitive light relay was found in old English documentation. The supply...
The purpose of this circuit is to stop an AC motor instantly by applying a continuous voltage for...
Sound waves applied to the printed circuit board corrosion tank can speed up the process. The idea...