The following schematic shows the Simple taken from bowdenshobbycircuits.info. This Simple is basically a crystal radio with an audio amplifier. It uses germanium diode (1N34A type). The circuit draws about 10 mA from a 9 volt source.

Simple Op-Amp Radio Circuit Diagram

Get more information about Simple here.



Related Post

High-Reactance Autotransformer HID Ballast Circuit Diagram
Aiphone Intercom Wiring Diagram and Installation Guide
Electronic Spark Control Knock Sensor Circuit Diagram
Triumph Daytona 675 Lighting Circuit and Wiring Diagram
2004 Chrysler Pasifica Liftgate Release Circuit and Wiring Diagram