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10th February 2011, 08:02 PM
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#1 |
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diyAudio Member
Join Date: Feb 2010
Location: Serbia
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Class D Amp with LM566,LM393 and 2XIRF530
Simple 25W class D amp from 'Practical Electronic' Magazine.
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10th February 2011, 08:46 PM
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#3 | |
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diyAudio Member
Join Date: Feb 2010
Location: Serbia
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Quote:
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11th February 2011, 07:41 PM
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#4 |
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diyAudio Member
Join Date: Jun 2004
Location: Warsaw
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The funny magazine is sold in Poland as well I think.
BTW the amplifier is pure junk. |
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12th February 2011, 02:40 AM
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#5 |
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diyAudio Member
Join Date: Oct 2003
Location: Near the sea
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The schematic looks just slightly under average, but PCB layout is terrible.
There are better ways to do it with these parts (and TL07x op-amp triangle generator and LM319 comparator, standard stuff). One of the things I have in mind is making a simple DIY-friendly class D module with through hole parts (except a few SMD caps) and a "DIY friendly" double sided PCB (no tracks on top layer, just continuous ground plane), and find out how good can I get it.
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Last edited by Eva; 12th February 2011 at 02:50 AM. |
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12th February 2011, 11:46 PM
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#6 | |
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diyAudio Member
Join Date: Feb 2010
Location: Bucharest
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Quote:
But innovative stuff such as better gate drivers will be appreciated.
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"Audio grade" components simply means that they failed at a more critical job. |
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13th February 2011, 08:32 AM
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#7 |
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diyAudio Member
Join Date: Feb 2010
Location: Serbia
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This JBL class D amp for subwoofer can be made without SMD parts.
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13th February 2011, 09:19 AM
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#8 | |
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diyAudio Member
Join Date: May 2008
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Quote:
Finally! The wait is over. Will there be a fitting SMPS as well?
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If you've always done it like that, then it's probably wrong. (Henry Ford) |
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13th February 2011, 10:25 AM
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#9 | |
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diyAudio Member
Join Date: Jul 2005
Location: D-55629 Schwarzerden
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Quote:
Everyday Practical Electronic Magazine December 2007 » Full Software Downloads - Download For All is this topology comparable to Hypex UcD ?? Last edited by tiefbassuebertr; 13th February 2011 at 10:36 AM. |
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13th February 2011, 10:46 AM
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#10 |
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diyAudio Member
Join Date: Feb 2010
Location: Serbia
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DIY friendly +/-50V SMPS PSU with two transformers recicled from ATX PSU.
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