Audio amp based on TDA2003

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odessa
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Audio amp based on TDA2003

Post by odessa » Thu Mar 31, 2011 5:19 am

Hi all...


Me again :D

Ok... heres my amp project !!!

I am amazed by the tiny amount of components needed and also by the quality too... a fantastic little chip...plus it runs fine on a 9v battery too !!
schem.png
Done in Eagle
schem.png (6.4 KiB) Viewed 12215 times
board.png
Ready to be printed and etched
board.png (15.44 KiB) Viewed 12215 times
1.jpg
Finished product
1.jpg (66.75 KiB) Viewed 12215 times
2.jpg
2.jpg (64.6 KiB) Viewed 12215 times
3.jpg
This one was done using the Toner Transfer method, great for small boards
3.jpg (64.83 KiB) Viewed 12215 times
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Re: Audio amp based on TDA2003

Post by bitfogav » Thu Mar 31, 2011 7:12 am

Im impressed!, thats a neat little project.

Do the heat sink get hot or warm at all Jay?

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odessa
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Re: Audio amp based on TDA2003

Post by odessa » Thu Mar 31, 2011 7:55 am

Hi Gav,

Thanks :) I must say again I'm amazed at the quality, the vid does it no justice

It did get very hot with a smaller heatsink running off my bench PSU, drew about 1/2 amp at 9v. Running on the little 9v supply with that sink ( stolen from an old laser printer ) it's cold to touch.
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Re: Audio amp based on TDA2003

Post by brad » Thu Mar 31, 2011 5:33 pm

fantastic project and very nice finished product :D

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odessa
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Re: Audio amp based on TDA2003

Post by odessa » Thu Mar 31, 2011 6:10 pm

Thx :)

The next stage is to build another identical one, get a dual gang pot and an Ipod line in/charge desk stand thing.

Then I'll have a stereo ipod dock that will charge too.

I think I'll make the cabinet out of wood and make it look old fashioned ... maybe oak
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Re: Audio amp based on TDA2003

Post by brad » Fri Apr 01, 2011 7:58 am

A well made wood cabinet can look fantastic!

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