This circuit is from a 1980s Motorola documentation. The circuit can be set to fire from 60 to 120 V DC or from 42 to 84 V AC. The circuit has a forehead button that activates an indicator lamp.
The 5 outputs of the internal 4018 integrated flop flops can be used simultaneously for the...
We found this circuit in a 1992 magazine, but it can be easily assembled today because the...
Found in a 2005 Linear Technology application manual, this circuit monitors the current in a load...