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Class D Switching Power Amplifiers and Power D/A conversion

Making Pure Digital Amplifier
Making Pure Digital Amplifier
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Old 18th September 2008, 01:56 PM   #1
yangsmm is offline yangsmm  South Korea
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Default Making Pure Digital Amplifier

I'd like to make the Pure digital Amplifier with people. So if attend and discuss the digital amp, then we can share the information and design together.
if you have any interest and idea, then anyone can leave idea and attend on the below sites.

http://www.digi-hifi.com/?pt=bl&pc=audio
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Old 18th September 2008, 06:33 PM   #2
pacificblue is offline pacificblue  Germany
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You are probably better off in the Class D section with that quest.
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Old 18th September 2008, 07:18 PM   #3
jan.didden is offline jan.didden  Europe
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What exactly do you mean by digital amplifier? A class-D (which is a switching analog amp) or a 'true' digital amp where you amplify digital values/numbers and then do a D>A?

Jan Didden
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Old 19th September 2008, 12:31 AM   #4
yangsmm is offline yangsmm  South Korea
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Default Pure Digital amplifier is...

Pure Digital amplifier accept only digital signal(pcm and i2s format). but D-Class accept the analog audio signal. I don't want to tell what is more better for us, but in my case i love the pure digital amplifier.
In pure digital amplifer, we can control volume, eq, tone control, and Etc. with digitally. It's one of merits, I think.
Come on, Let's DIY
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Old 19th September 2008, 06:39 AM   #5
jan.didden is offline jan.didden  Europe
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Default Re: Pure Digital amplifier is...

Quote:
Originally posted by yangsmm
Pure Digital amplifier accept only digital signal(pcm and i2s format). but D-Class accept the analog audio signal. I don't want to tell what is more better for us, but in my case i love the pure digital amplifier.
In pure digital amplifer, we can control volume, eq, tone control, and Etc. with digitally. It's one of merits, I think.
Come on, Let's DIY
So, basically, you're talking about a DSP, followed by some kind of power output stage?
Maybe before starting diy we should know WHAT we want to diy

Jan Didden
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Music is dither to the brain; lets me think below the usual chaos - me
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Old 19th September 2008, 07:33 AM   #6
yangsmm is offline yangsmm  South Korea
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Default Re: Re: Pure Digital amplifier is...

Quote:
Originally posted by janneman


So, basically, you're talking about a DSP, followed by some kind of power output stage?
Maybe before starting diy we should know WHAT we want to diy

Jan Didden
Jan Didden is right, But we started to discuss..But I had expericen to make the full digital amplifier, so I'd like to listen many idea, but I am first thinking to use Digital Pre Amplifier + Digital Powe Amplifier.

Digital Pre Amplifier is PULSUS's DDC
Digital Power amplifier is TI's TAS5142.
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Old 19th September 2008, 12:24 PM   #7
jan.didden is offline jan.didden  Europe
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Looking at your your website it looks like you ask us to help design an amp that you wish to sell on-line?

Jan Didden
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Music is dither to the brain; lets me think below the usual chaos - me
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Old 19th September 2008, 02:23 PM   #8
yangsmm is offline yangsmm  South Korea
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Quote:
Originally posted by janneman
Looking at your your website it looks like you ask us to help design an amp that you wish to sell on-line?

Jan Didden

Dear Jan Didden.

No Way, Because I don't sell digital amplifier. I don't have any idea to sell digital amp on my website. I am always design DA Converter or Pre-Amplifier, not power amplifier. ^^
I just want to make digital amp with people oversea. That's the reason.
Buf If you think so, just keep watching my website forward...
Anyway Thank you for your advise.^^
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