The operational amplifier and the sensor used in this National Semiconductor circuit are not common today, but the configuration can be adapted to use current components.
We found this circuit in an old publication on oscilloscopes. Its purpose is to observe the Ie /...
This circuit was obtained in an American publication of 1989, but the components are current. The...
April 2017 - Mouser Electronics already has the MAX4007 from Maxim Integrated in its inventory, an...