Dual Opamp Buffered Power Supply Circuit Diagram

There will be instances where the currents from each supply will be unequal. Where this is the case, the resistor divider is not sufficient, and the +ve and -ve voltages will be unequal. By using a cheap opamp (such as a uA741), a DC imbalance between supplies of up to about 15mA will not cause a problem. However, we can do better with a dual opamp (which will cost the same or less anyway), and increase the capability for up to about 30mA of difference between the two supplies.

Circuit diagram:Dual Opamp Buffered Power Supply
Dual Opamp Buffered Power Supply Circuit Diagram
Author: http://sound.westhost.com/project43.htm

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