This circuit was published in a 90s Radio Electronics. The circuit uses the well-known LM386 that appears in a large number of projects on this site.
Similar to other circuits found in this section, this circuit is from a 1996 Electronics World;...
This circuit was suggested by Motorola's Linear Databook of 1990. The integrated circuit, uncommon...
We found this circuit in a 2005 Linear Technology manual. The circuit can operate directly on 3 V to 36 V...