Acidmods

Console Modding------ ( Here you can talk about your favorite Consoles ) => Mobile phones and devices => MP3 Players => Topic started by: akomismo01 on December 23, 2009, 10:08:46 PM

Title: LM386 audio amp
Post by: akomismo01 on December 23, 2009, 10:08:46 PM

LM 386 amp circuit 20dB gain
LM386 Audio Amplifier with Gain = 20 and minimum part count.

(https://acidmods.com/forum/proxy.php?request=http%3A%2F%2Fmycaramplifiers.com%2Fwp-content%2Fuploads%2F2009%2F03%2Flm386-20db-amp.jpg&hash=a7562c69f4b434522e2e5c4131ca0b1d5a31de91)

can someone simplify this for me?.. Im trying to make a spealer /.. im planning to use a speaker for portables..

thaks.. :cry2:

Title: Re: LM386 audio amp
Post by: arctg on January 08, 2010, 05:22:22 AM

I think at tda2822 will collect much more reasonable .. yes, and the volume and power will be better. depending on the power supply will be from 0.5 watts to 2 watts

(https://acidmods.com/forum/proxy.php?request=http%3A%2F%2Fsavepic.ru%2F1031419.jpg&hash=0576848be6fb96050c743c1f9785c9da1d6004a7)
R1,R2-10k; R3,R4-4,7Ом; C1,C4,C5,C8,C9-100microF;
C2,C3-10microF; C6,C7-0,1microF; DA1- TDA2822 (KA2209,NJM2073,U2822,U2823).
power supply 1,8-12V.