Found in an American publication from 1969, this circuit can be adapted to be used as a shield. Operational amplifiers can be of modern equivalent types.
This circuit was found in a manual of operational amplifiers. Virtually any operational amplifier can...
This circuit found in French documentation, works with 15 V logic, but can be modified to TTL or 5...
key. Enter the second number and release S1. The circuit must always be powered by 12 V except...