This circuit has a 2 V full scale using a 4-and-a-half-digit A / D converter. The circuit is powered by a voltage of 9 V. We found this configuration in the 1983 Intersil Databook.
Used with telephones at the time, this circuit was found in Popular Electronics from the 90s. The...
Found in a 1965 CQ magazine, this circuit uses period components. The unijunction transistor can...
This dimmer configuration is quite old, as it was found in a 1967 publication. The triac can be of...