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LM1876 IC Amplifier.

Components

1. 5×1KΩ resistor 1/4W.
2. 4×22KΩ resistor 1/4W.
3. 2×4.7Ω resistor 1/2W.
4. 6×0.1uF (104) capacitor 50V.
5. 2×1uF capacitor 63V.
6. 2×22uF capacitor 63V.
7. 1×LED 3mm.
8. 1×3 pin connecter base 2.54 mm.
9. 1×3 Pin screw terminal.
10. 2×2 Pin screw terminal.
11. 1×Bridge Rectifier.
12. 1×47K/ 100K Potentiometer.
13. 1×IC LM1876T.
14. 2×4700uF capacitor 35V.

License:- ©Technical Mriganka. You can't use this PCB Layout and Gerber File for commercial purpose. You can use this PCB layout and Gerber file only for Educational and DIY projects.




Lets Build This Amplifier


Hello Friends, in this post I make a 40 Watt Stereo amplifier using LM1876 IC. This is a class AB amplifier. Which can deliver up to 20 Watt RMS output at 8Ω ±24V, Test frequency 1khz. This IC is especially designed for High-End Stereo TVs, for it's low noise distortion. This IC have SPiKe Protection, in-built short circuit protection and over voltage protection, So for this reason, this IC is little bit expensive than other IC. I designed this PCB based on this IC, for make this amplifier you can download the required files For designing my PCB, I used EasyEda online software. Then I export the Gerber file (which you can download). And then I go to www.pcbway.com for manufacturing my PCB. PCBWay are the largest PCB manufacturer in China. They offer Standard PCB, Advanced PCB, Rigid-Flex PCB, SMD-Stencil and PCB Assembly Service. Here you get, 100x100mm 2 Layer PCB only at $5, And processing time within 24 hour. And they distribute, worldwide. The more you order, the less price you have to pay.


You just need to upload the Gerber File, and select the quantity, color, silkscreen, thickness etc. Then select your country, and shipping method and then Pay. PCBWay will deliver your PCB within 7-10 days.


After one week I have received my PCB. You can see the PCB quality, it's awesome. I have ordered White PCB. But you can choose your PCB color. PCBWay provide total 9 color solder mask - Green, Blue, Red, Purple, Black, White, Yellow, Matte Black and Matte Green. On PCBWay you can get 100x100mm 2 Layer PCB only at $5. Maximum size PCB you can get 500x1100mm. And maximum Layer is up to 14 Layers. And If you order PCB first time at PCBWay, then you get a $5 discount coupon. So upload your Gerber today and get best quality PCB.

Power Supply:- Recommended transformer 18-0-18V 4A.

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