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Class D Switching Power Amplifiers and Power D/A conversion

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Old 9th July 2006, 01:54 PM   #111
zkaiser is offline zkaiser  Yugoslavia
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So, fredos, do you have any practical advice for all that ?

Now I am starting to be worried about power supply decoupling since my pcb layout has some issues, and is it normal to have voltage pumping effect on just positive rail supply when playing freq. below 100Hz ?

Positive rail gets bigger and negative gets lower when bass kicks even if I use 2A regulated lab. supply and 2x10000uF caps ? Is this completely normal ?

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Old 8th November 2006, 02:06 AM   #112
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First congratulations for the project.
This project already this ended?
Could you place the complete project here?

Lindomar.
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Old 8th November 2006, 05:54 AM   #113
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Yea. Whatever happened to this project ?
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Old 11th November 2006, 03:31 PM   #114
zkaiser is offline zkaiser  Yugoslavia
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... well now it is kind of paused, because I have some college obligations lately. And it has some sync. issues and crosslistening problems beetwen two channels and LC filter is not calculated for out frq. more than 15kHz so I will need to redesign it.

For now, like I sead it is in 'frozen state' and I have finished ~80% of zappulse 2.3 rev.eng. so I will take some ideas from there . . .
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Old 1st May 2014, 12:08 AM   #115
stewin is offline stewin  Kenya
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are there any updates? or ir2xxxx chip has taken over discreet world of class d??
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Old 1st May 2014, 03:45 AM   #116
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Quote:
Originally Posted by fredos View Post
Too many curious! I attache the schematics....Have a nice day!

Fredos

Kameleon group
Hello!
What software to open?
Thank you!
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