This CMOS circuit was obtained in a 1980s documentation. The circuit has a 10-second time delay before firing. The transistor is a general-purpose type and power supply according to the relay.
With the name of transitube we find this MW receiver in documentation from the 50's. It uses a...
This circuit can provide both positive and negative voltage outputs from 2 to 12 V with current up to...
In critical applications of the RS-232 interface, the danger of induced voltages in the cables must...