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 came out in a publication called Electronics Handbook of 1993. The circuit activates a...
We found this circuit in an old Argentine publication from the 1970s. The transistor can be the...
This circuit was suggested by Motorola in a 1969 publication. It makes use of components of the...