The circuit is from 80s Siliconix documentation. The integrated circuit is from the company and is not common today. It can be used operational equivalent more common in our times.
I found this circuit in an English magazine from July 1982. The circuit is still viable as all...
The circuit is from the 1990 Motorola Linear Databook. The circuit can be implemented with other...
This indicator makes use of an LM339 voltage comparator circuit that contains 4 internal...