With the configuration shown, the output capacity of the LM12 can be doubled, which is 4 A. The circuit is from the Linear Applications Handbook of the National Semiconductor of 1994.
The integrated circuit used in this project is not common today, but it can be implemented with more...
Found in an American publication from 1969, this circuit can be adapted to be used as a shield....
This current meter with many scales was found in a 80s American documentation. The operational amplifier...