This step of good gain was obtained in an American publication of the 1980s. The circuit can be powered by voltages from 3 to 9 V and the FET can be of almost any type.
This circuit is from old American documentation, using a regulator integrated circuit that is...
The purpose of this circuit is to pass an audio signal from one channel to another in a...
This circuit consists of an adapter that allows the reading of low currents at various scales. A...