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Class D Switching Power Amplifiers and Power D/A conversion

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Old 17th September 2012, 12:33 PM   #2541
exflaco is offline exflaco  Armenia
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Don 2007ksa and the schem for correction?
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Old 17th September 2012, 04:06 PM   #2542
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Hi Andrewlebon,i will try to finish it with in this week,this layout is base on IRS900 with TC4420 used as buffer to drive the high gate capacitance output transistor,i hope this will not affect the self oscillation of the circuit,better to try and stay wonder,cheer's.


Hi exflaco this is base on IRS900,but of course the inverter pin's(CD4049)is different.
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Old 17th September 2012, 05:08 PM   #2543
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with TC4420 could not make it work with 2 pairs.
Nano
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Old 17th September 2012, 06:33 PM   #2544
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Hi nano,TC4420 is a 6A driver according to the data sheet's and i'm going to used it with only 3 output per rail,meaning two of this(TC4420) for high and low,is it not possible?please give an advice thank's.
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Old 17th September 2012, 08:09 PM   #2545
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I did so and it worked
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Old 17th September 2012, 09:33 PM   #2546
exflaco is offline exflaco  Armenia
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Nano colud share pcb ,tanks
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Old 21st September 2012, 03:40 AM   #2547
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Quote:
Originally Posted by manojtm View Post
Hi CPX
here i am attaching my old class d amp test report

regards
MANOJ
Thank you very much
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Old 21st September 2012, 04:04 AM   #2548
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Default Nano can you please share pcb

classe d.rar - 4shared.com - online file sharing and storage - download
warm regards
andrew lebon
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[image][/image]"It's Better to try and fail than to never know and always wonder"
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Old 21st September 2012, 01:50 PM   #2549
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Default how about this core??????

sir, i found this E E core. material........don't know, can i use it with IRS900D?
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File Type: jpg Sandeep- core03.jpg (188.1 KB, 695 views)
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Old 21st September 2012, 05:46 PM   #2550
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can use only hit inductance.
Nano.
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