This circuit can be used in measurement bridges. We found it in the September 1995 Electronics Now magazine. The meter can be from 50 uA to 1 mA and the power supply is simple.
This interesting circuit allows to obtain symmetrical voltages from a simple battery. Among its...
This calibrated circuit was found in documentation from the 1980s. It makes use of an integrated circuit...
Using a 741 operational this circuit was found in the August 1993 Electronics Now magazine. The...