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Class D Switching Power Amplifiers and Power D/A conversion

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Old 13th October 2005, 04:43 PM   #1
rellik is offline rellik  United States
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Default recommend discrete Class D

recommend me a discrete class D amplifier, i am looking for a project

doesnt have too be very high power, 10 watts will suffice

thanks
hersh singh
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Old 14th October 2005, 12:12 PM   #2
nitrate is offline nitrate  United Kingdom
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Quote:
recommend me a discrete class D amplifier, i am looking for a project
You forgot to say Please


Mad.P
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Old 14th October 2005, 12:51 PM   #3
Nuuk is offline Nuuk  United Kingdom
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Yes, a little more information would allow us to help you!

Do you mean that you are looking for a kit that uses discrete components? If so then the Autocostruire (Audiodigit) 2020 amplifier may be just what you are looking for!
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Old 17th October 2005, 02:00 PM   #4
rellik is offline rellik  United States
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im looking for just a schematic with individual transistors and such, not a circuit based off of a big chip like one from tripath

please
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Old 17th October 2005, 02:28 PM   #5
Hurtig is offline Hurtig  Denmark
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Check this design... http://hem.passagen.se/johanps/

The first version, 0.5 is a low power version, running on +- 5 volt. My guess is, that you can turn up the supply to 10 volt with a few ajustments.
See: http://hem.passagen.se/johanps/Amp0_5/Amp0_5.pdf
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Old 18th October 2005, 04:36 AM   #6
rellik is offline rellik  United States
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thank you very much, that is exactly what I am looking for in a relatively simple layout

thanks, and if anyone else has something similar, please post it as well
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Old 19th October 2005, 02:49 AM   #7
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Hi,

I could recommend one to you but what are you goals, why only ten watts, does it just have to work? Basically is this a project for school or....?

Might have a real hard time getting something to "just work" it takes alot of effort, have a look here:

My DIY UCD

Regards,
Chris
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Old 20th October 2005, 06:52 AM   #8
rellik is offline rellik  United States
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classd4sure:
yup its a project for school

this is just to see if the project will be worthwile and i guessed the lower power ones would be more simple

and thanks for the link
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Old 26th October 2005, 12:34 PM   #9
Kenshin is offline Kenshin  China
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See my blog
there's actual a 10 watt one in the photos, K1410 version 1.1.
simple and suitable for school training purposes
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Old 27th October 2005, 04:36 PM   #10
rellik is offline rellik  United States
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Kenshin: could you give me a link to the schematic please, its hard to find b/c i cant read your site...
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