Suggested by National Semiconductor in documentation from the 90s, this circuit uses a switched regulator of the time. The circuit is suitable for NiCad battery charges.
Found in American documentation from the 1970s, this circuit employs an integrated circuit from...
This circuit was obtained in the publication 101 Electronics Projects of 1979. The circuit can be...
This assembly circuit using a small motor as a generator was found in Radio Electroics magazine from...