This circuit was obtained from a 1967 General Electric documentation. The circuit makes use of unusual SUS today. Other steps can be added to the circuit.
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...