This is the traditional configuration of a standard lamp with a rectifier. Only incandescent lamp can be used and for the rectified version a 5 W lamp.
This circuit was found in a 1965 General Electric publication. The circuit can be adapted to...
We found this circuit in a 1972 RCA technical documentation. The comparator can be any type and C1...
This bargraph circuit was found in the January 1986 issue of Radio Electronics magazine. It is...