This circuit detects when a signal reaches its peak value. The source must be symmetrical and equivalent operational amplifiers can be used. This circuit was found in an old European publication.
This circuit was found in a Popular Electronics of the 1990s. Its purpose is to expand the scale of...
This circuit can be used as an input shield by removing the signal directly from the second port,...
In figures 1 and 2 we have two current drains that can be made with operational amplifiers and...