We found this circuit in a 1998 documentation. It tests common household appliances to see if they are shorted by lighting an incandescent lamp.
The integrated circuit 4136 consists of operational amplifiers of type 741 in the same enclosure and...
This circuit produces a voltage drop in the first pulse, turning off the relay. On the second...
This circuit can indicate when a high voltage exceeds a certain value, with the transition of its...