We found this passive circuit in the February 1995 Electronics Now magazine. The circuit is passive, presenting only attenuation that must be compensated by an amplification stage.
This circuit was found in a 1996 documentation. It is a photometer with a logarithmic scale of...
With only one integrated circuit and few additional components, this amplifier has an output power...
The L79xx is the SGS version of the 79xx. The circuit was obtained in the SGS manual of linear...