Provides instructions for making a touch switch, audio amplifier, signal splitter, sound pocket generator, burglar alarm, audio mixer, and square-wave generatorThis is a practical audio amplifier circuit using the LM380. Project 13 The input to this circuit is provided by an inexpensive low- impedance microphone. Other low level signal sources may be used in place of this microphone if you choose.
|Title||:||49 battery-powered one-IC projects|
|Author||:||Delton T. Horn|
|Publisher||:||Bamp;t Database Management/Cip - 1989-06|