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.
This circuit was found in an American publication from 1968. The transistors are from the time,...
The components of this circuit are exchanged for modern equivalent such as 470 K for the pot and...
This circuits shows how to use in operational amplifier as a basic voltmeter. Power supply must be...