Home Projects Audio Tiny audio amplifier using LM386

  
 

Tiny audio amplifier using LM386
author: Rajkumar Sharma

Circuit provided by

Buy this circuit as a kit from Anykits

 

Specifications

The Tiny Audio Amplifier kit is a good choice for battery operation.  It is based on LM386 IC.
 

  • Power supply - 6 - 12 VDC

  • Output power - 1 W, 8 Ohm

  • The quiescent power drain is only 24 mW when operating from 6 VDC

  • Self-centering output quiescent voltage

  • Onboard PRESET to adjust volume

  • Terminal pins for connecting power supply, audio signal and speaker

  • Power-On LED indicator

  • ON/OFF PCB mounted slide switch for power supply

  • Four mounting holes of 3.2 mm each

  • PCB dimensions 44 mm x 44 mm

 

Schematic

 

Parts List

 

Inputs - Outputs configuration

 

PCB

 

Download

Download this circuit in PDF

 
 
 

 

 

 

Search Site | Support us | Advertising | Profile | Books | Gadgets | Add your link here | Contact Us
Projects-Lab.com | Circuits-Lab.com | Elektrotekno.com | Free Schematics Search Engine | Electronic Kits | Mobile Phones


 

  Electronics-lab.com (C) 2002-2008
Any logo, trademark and project represented here are property of their respective owner - [Privacy Policy]