This circuit was found in Maxim's documentation from the 90's. The configuration uses components from the time but can be adapted to use modern equivalents.
This low drift or offset circuit is from an 80's documentation. The configuration can be made with...
This circuit rectifies low voltage sinusoidal signals for measurement purposes, as the circuit is of low...
Indicated for vinyl media recovery, this circuit is from the 80's, having been found in an...