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Old 31st January 2012, 09:28 AM   #1
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Default Ultra Simple Class D

Hi Diyers
Greetings. simple 200W amp works first time on simple parts only I don't have output inductor with this inductor amp is working Credit goes to Norazmi for helping me to make this amp possible

Warm Regards
Andrew Lebon
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Old 31st January 2012, 06:54 PM   #2
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well done Andrew, you are proud of Agra.with love Vedmitraa
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Old 31st January 2012, 07:16 PM   #3
nrg2009 is offline nrg2009  United States
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looks very simple and simple=good!
What chip did you use? what voltages are you using?

great job!
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Old 31st January 2012, 07:26 PM   #4
benb is offline benb  United States
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That looked a little TOO amazing until I saw the two screws at the top holding down what appear to be TO-220 semiconductors on a heat sink underneath the board. I see the three leads of each coming up through the board. With a single-sided board it's gotta be simple!
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Old 31st January 2012, 07:39 PM   #5
nrg2009 is offline nrg2009  United States
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How about a schematic?
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Old 1st February 2012, 12:55 AM   #6
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Default ULTRA SIMPLE CLASS D

Hi
greetings i will post pcb and component layout for this simple amp
components ic TLO74 OUTPUT transistors IRF 540 IRF 9540
2N5401 2N5551 BD139 BD140 SUPPLYtransformeri used is 20 0 20 AC tested till
33 0 33 AC transformer all i can say it comes on first time output transistors
are very cool on 4ohm load amazing bass and clarity pcb size is 8cm by 5cm
for anyone making their first d class amp this amp is a good starting point 200
watts
warm regards
andrew lebon
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Old 1st February 2012, 01:02 AM   #7
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Default pdf doucment size

hi
greetings how to post schematic and pcb the pdf document is 300kb and forum allows only 190kb any wayto get schematic on forum
warm regards
andrew lebon
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Old 1st February 2012, 02:44 AM   #8
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Default trying to upload

trying to upload file pdf file size 299 kb
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Old 1st February 2012, 02:51 AM   #9
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diysmps
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Old 1st February 2012, 03:02 AM   #10
nrg2009 is offline nrg2009  United States
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Nice, very impressive. My hat is off to you.
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