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25th February 2005, 12:06 PM
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#1 |
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diyAudio Member
Join Date: Aug 2002
Location: Right here
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Bootstrapping a LM38XX and OPA54X
After reading the PDF (down here) I questioned myself if this is possible with the LM38XX and OPA54X.
More voltage with the same current give more power, right? As these chips only support ~30V (+/-) the power is limited. Anybody tried this? |
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25th February 2005, 01:56 PM
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#2 |
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diyAudio Member
Join Date: Aug 2003
Location: Roskilde - The vikingships
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It should be possible, but before going to that I would go for a bridged/Parallel design that can give you more than 200 W/8 ohm.
You bootstrap-curcuit very easely becomers "bigger" than the chip-amp itself,so............................ Have fun Thomas |
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25th February 2005, 03:04 PM
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#3 |
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diyAudio Member
Join Date: Aug 2002
Location: Right here
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I know that a thing like this would be enormous!!!
But,... With a bootsprap like this and with a bridged/parallel implement it's possible to achieve more than 500W, right?  I know you like bridging and paralleling 3886's
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