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Class D Switching Power Amplifiers and Power D/A conversion

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Old 14th July 2012, 02:15 PM   #2091
exflaco is offline exflaco  Armenia
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amplificador classe D 4700wrms 1ohms o mais potente do mundo C/ 142x142mm e peso 450g - YouTube
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Old 15th July 2012, 05:38 AM   #2092
abetir is offline abetir  Philippines
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Quote:
Originally Posted by thienchay View Post
Hello all Diyer
This my new class D , and i 'll checking it soon .
Thienchay, nice spacing you got there, it looks like you are using different parts is it a modified version? any plans on sharing the bottom artwork for toner transfer?

Hi all!,
I wonder if anyone of you had a clearer resolution of the pdf file for DIY share, using Detex IRS900, I have the Detex artwork but I don't think it is going to be successful on laser toner transfer, the image is so poor
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Old 15th July 2012, 07:56 AM   #2093
stewin is offline stewin  Kenya
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Quote:
Originally Posted by abeteer View Post
Thienchay, nice spacing you got there, it looks like you are using different parts is it a modified version? any plans on sharing the bottom artwork for toner transfer?

Hi all!,
I wonder if anyone of you had a clearer resolution of the pdf file for DIY share, using Detex IRS900, I have the Detex artwork but I don't think it is going to be successful on laser toner transfer, the image is so poor
hi Thienchay , please remember the schematic also
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Old 15th July 2012, 10:26 AM   #2094
t68kv is offline t68kv  Philippines
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@abet

Try using cheshtap's remake of irs-900d.
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Old 16th July 2012, 04:04 PM   #2095
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hello
geetings what should be the ideal permeability of core for dclass core since i am not so sure is 125 permeabilty the best core material in SENDUST KOOL MU material
warm regards
andrew lebon
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Old 16th July 2012, 04:18 PM   #2096
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Sendust Toroidal Cores for Chokes and Inductors : CWS ByteMark, largest supplier of toroids, ferrite cores, iron powder cores, MPP cores and RF cores
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Old 16th July 2012, 08:32 PM   #2097
STAGE4 is offline STAGE4  Sri Lanka
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Old 17th July 2012, 02:06 AM   #2098
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hi andrew check yorkville service manuals for class d powered speaker, they are using cool mu cores. magnetics 77191-a7 if i remember it right
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Old 17th July 2012, 02:08 AM   #2099
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hi Gerry
greetings thanks for the information how are your d class amps playing
warm regards
andrew lebon
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Old 17th July 2012, 01:03 PM   #2100
exflaco is offline exflaco  Armenia
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Gerry yorkville use d class only in subwoofers at low frecuencie clocks ,many cores work fine ,full range hummmmmm........
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