This circuit was found in a 1967 RCA documentation. The components are of the time. The circuit limits the current to 50 mA when the battery is fully charged.
This circuit is from old documentation, but can be adapted to use modern components. Power...
Found in an Electronic Design from the 90's, this circuit uses common components. The circuit is...
This article is from the Italian magazine Sperimentare number 11 of 1975. It can be assembled with...