This circuit was found in an English publication from the 70s, an article that teaches how to calculate instruments. The circuit is still current and can be built with an analog indicator of 100 uA.
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...