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Class D Switching Power Amplifiers and Power D/A conversion

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Old 1st February 2012, 02:12 AM   #11
benb is offline benb  United States
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Originally Posted by andrewlebon View Post
You're apparently linking to an attachment on another forum that needs registration to view attachments. Unfortunately, that forum strongly discourages such registrations:
-If you came here to JUST view some attachments or you are after some commercial ideas, please leave now.
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Old 1st February 2012, 03:21 AM   #12
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Location: Mar del Plata, a BIG seasonal getaway city, can see the Ocean from our residence.
Nice little Class 'D'...............Glad it works as planned....Do you have any specs on it...performance parameters perhaps.
Just who is this other site & why are they so adamant toward not sharing information? The greatness of internet forums, regardless of the field of interest , is a free exchange of information..............an open book if you will. Commercial interests are few & far between as the likely-hood of profit is extremely thin within this industry.

__________________________________________________ ____Rick..........
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Old 1st February 2012, 02:47 PM   #13
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what a good class
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Old 15th February 2012, 06:28 AM   #14
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Default Class D pwm Amp

here is my diy of this amp
running at 50vdc idle offset 8.5mv inductor 47uh at 100 hz =28.27vac=206 watts 4 ohms load
Knowing GOD is not being good,Knowing GOD is just knowing him as my friend
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Old 15th February 2012, 07:16 AM   #15
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Hi Irvynejay
greetings NICE CONSTRUCTION easiest Dclass amp with good
performance something for firstimers in dclass TO try out
warm regards
andrew lebon
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Old 15th February 2012, 07:46 AM   #16
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What is the Fsw?
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Old 15th February 2012, 10:49 AM   #17
luka is offline luka  Slovenia
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for my taste, industor is too big, value... more THD
home page @ http://www.classdaudio.tk/ @ 24/7 all year long
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Old 15th February 2012, 01:15 PM   #18
rezamir is offline rezamir  Iran
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hi irvynejay
i love this pretty design,
i wont to tst it. would you share its schematic.
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Old 15th February 2012, 05:03 PM   #19
norazmi is offline norazmi  Malaysia
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Irvy, lower you inductor to 30uh then 680nf filter caps. for lower impedance 22uh and 1uf filter caps, the mosfet stable enough and only warming at full power, it will not overheat, do not go more than +/- 50vdc.
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Old 15th February 2012, 05:05 PM   #20
norazmi is offline norazmi  Malaysia
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with T106-2 iron powder core u need to wind about 47 laps and u will have approx 30uh, coil length approx 1.783 yard make it 1.8 yrd.
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