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Class D Switching Power Amplifiers and Power D/A conversion

schematic request
schematic request
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Old 28th September 2009, 01:43 PM   #1
nostress is offline nostress
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Join Date: Sep 2009
Default schematic request


I am new to this forum.
I want to build an class D amplifier and not know where to start.
I was thinking of something with a specialized (IRS20957/IRS2092 which is better?) and final drivers (IR2110 / TC4420) for IRFB4227 mosfets.
Any sugestions?

Sorry for my english! Thanks a lot!

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Old 29th September 2009, 06:07 AM   #2
luka is offline luka  Slovenia
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Location: in Slovenia :)
schematic request
depends on what you know and can do, IRS2092 should be probably the best to start with, also for fets you could use IRFP4227

Next could be the IRS20957, a bit harder, since you have to have PWM

Last would be true DIY, using IR2110 or driver like that, I liked my a lot, since you can change just about anything and very easy at that

But biggest problems you will have is make a good PCB, that's why youu should start with 2092, get its app. note an-1138, read it, understand it, it will teach you a lot

I am doing 2092, and hope it iwll work as I intended it to. PCB was done as it should be, read an-1138 for that
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