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Old 25th March 2011, 05:44 PM   #1
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Default TDA8920BJ schematic, pcb and opinions needed

I want to try a class D amp with an tube pre-amp/buffer and the TDA8920BJ is my best option.
the title says it all
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Old 26th March 2011, 11:34 PM   #2
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I use a 12au7 SRPP front end on my hybrid amp.
Murton-Pike Systems PCBCAD51 pcb design software.
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Old 23rd March 2014, 07:16 AM   #3
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pcb... anyone... i need one...
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Old 23rd March 2014, 08:11 AM   #4
Mihkus is offline Mihkus  Estonia
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Copy that.
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Old 31st March 2014, 05:20 AM   #5
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I would not suggest copying that PCB layout. It is just bad, and overly complex anyway... the more you look at it the more you begin to wonder... I would have to assume it was mostly auto-routed by software. Anyway, layout is very critical for class D DIY. Study this site for suggestions. Good luck.
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Old 7th April 2014, 07:43 AM   #6
astx is offline astx  Austria
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You may have a look on this Class-D amplifier using TDA8950J in bridged mode:

4 x BTL 300W/8R - a TDA8950j based 4 channel power amplifier

The PCB is single sided.

It is working like a charm, has powered many parties since the last months
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