We found this circuit in 1967 General Electric documentation. SCRs can be replaced by current equivalents. The circuit is for 110V power grid.
This high current control circuit was found in a publication from the 1990s. The power transistor must...
This circuit monitors the voltage of a 110 V network using a small 3 W incandescent lamp and an...
We found this circuit in a 1986 documentation. It causes 40 LEDs to flash sequentially. The big...