Found in a 1969 documentation, this neon lamp circuit may have the number of steps increased. The power supply is made with high voltage.
We found this circuit in a 1986 documentation, but it can be easily assembled even today by the...
This circuit was suggested by General Electric in 1969 documentation. It provides a maximum output of...
Found in a 1960s RCA documentation, this circuit applies to most common triacs. The trigger device is a...