Based on the CA3161 and CA3162, this circuit was found in the July 1990 Radio Electronics magazine. The circuit is two digits only.
This class B push-pull amplifier circuit with a few hundred milliwatts of power was found in an...
In the figure we have a window detector that uses only a voltage comparator. The circuit can use...
This circuit was found in an old American documentation. The operational used is of the...