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-   -   i need helping to build class D audio amplifier in 1 week (http://www.diyaudio.com/forums/class-d/210021-i-need-helping-build-class-d-audio-amplifier-1-week.html)

bsm225 2nd April 2012 02:37 PM

i need helping to build class D audio amplifier in 1 week
 
i have to build class D audio amplifier and i m really stack .... i m in Malaysia:headbash: can any body help

bsm225 2nd April 2012 04:15 PM

plz guys any replay

Whortless 2nd April 2012 08:26 PM

Quote:

Originally Posted by bsm225 (Post 2969911)
i have to build class D audio amplifier and i m really stack .... i m in Malaysia:headbash: can any body help

Hi,
What type? Power range? your capability? Which components you can access? etc. etc. If you would be clear, i think people can help much more than you expect!

bsm225 3rd April 2012 01:31 AM

ok ... class D audio amplifier. the power range is +20,-20 ,,, the output power 50W... the components no problem i can mange get them

Davet 3rd April 2012 04:51 PM

A Possible Solution
 
Take a look at Arjen Helder HiFi. He has various boards that should meet you specifications.

There are other vendors on eBay that may meet your requirements as well. Do a search for "T-Amp".

bsm225 3rd April 2012 05:00 PM

thx Davet .. but wat i want is an easy schematic for class d amplifier that do not give much trouble in week .... i m really stuck

gmarsh 3rd April 2012 05:23 PM

Does it have to be class D? Easiest method to get a 50W amplifier might be a LM3875 or LM3886 based, class-AB chip-amp.

Chip-amps are also far more tolerant of layout problems than class D, which means they're much easier to breadboard/prototype. You don't want to build a class D amplifier on a breadboard. Parts acquisition is also a lot easier, as far as finding things like appropriate inductors/capacitors for the output filter.

stoc005 3rd April 2012 06:00 PM

Search the International Rectifier site. Lots of schematics/App. notes of Class D amps. Some simple...some not so much.

Here: International Rectifier - Audio Reference Design Kits

syklab 3rd April 2012 06:25 PM

How about build around the TI TPA3106D1? The TPA3106D1 is a 40-W efficient, Class-D audio power amplifier for driving bridged-tied stereo speakers. The TPA3106D1 can drive stereo speakers as low as 4.

bsm225 4th April 2012 01:53 AM

thax guys .... yes it should be class d ..... i will try those chip and i will update u


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