We found this circuit in the March 1992 issue of Radio Electronics magazine. The circuit has a range from 1.25 V to 1 kV. The formula for the voltage values is given.
This circuit uses a transistor as noise source and a 741 IC as amplifier, sourcing a high...
This simple circuit detects when a conductive liquid reaches the sensors. The circuit has no...
With this circuit it is possible to raise the characteristics of a transistor by checking its gain...