This circuit supplies 5 V from two AA batteries. The output current is 4 mA, resulting in an 11 mA input current from the batteries. The circuit is from an old EDN.
The configuration shown can be applied to modern operational amplifierso with common power...
This circuit appeared in Radio Elecronics magazine in 1968. The operating circuit is a...
The circuit shown is from a September 1973 Radio Electronics. It reduces the full scale of a...