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4th January 2006, 11:35 AM
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#1 |
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diyAudio Member
Join Date: Nov 2005
  
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PCB for good AMP
Hello.
I am drawing PCB by this scheme: http://www.elektronika.lt/_sys/stora...10/350wmos.gif And when I draw, and show to my fried, he said that this is not good PCB, because is some mistakes... And amp doesn't work good in 50 - 100kHz... Also he said, that, somewhere he saw this amp PCB... If somebody has this amplifier (amp) PCB, please send my, if you're haven't, I try to repair my mistakes... Thank you very much. My e-mail: dmsaudio@yahoo.com |
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4th January 2006, 11:44 AM
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#2 |
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Electrons are yellow and more is better!
diyAudio Member
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I'm afraid, your server is painfully slow.... can't see what you mean.
__________________
/Per-Anders (my first name) or P-A as my friends call me |
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4th January 2006, 12:15 PM
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#3 |
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diyAudio Member
Join Date: Dec 2005
Location: Kuala Lumpur
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It looks like a typical high feedback design with complementary vmosfet output. As for errors:
1/ the O/P devices will need to be matched 2/ polarised ecap in negative feedback with undefined polarity 3/ I hate fuses (just 5A!) in the O/P device supplies 4/ No other protection 5/ No Zobel network |
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