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Class D Switching Power Amplifiers and Power D/A conversion

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Old 25th January 2010, 02:02 PM   #51
AP2 is offline AP2  Italy
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Hi,
Thanks for the information, I will try to ask for a form TC.
to previous discourse, I must clarify that I mentioned B & O and Hypex for reference only theoretical.

Regards
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Old 25th January 2010, 02:20 PM   #52
AP2 is offline AP2  Italy
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Hi, You have Skipe?
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Old 25th January 2010, 02:21 PM   #53
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Just for clarification: A LC output filter does not add any delay to the signal above the resonant frequency, high frequencies are phase reversed but not delayed at all, so a simple RC phase lead network makes a single loop post-filter system unconditionally stable.
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Old 25th January 2010, 02:22 PM   #54
AP2 is offline AP2  Italy
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I mean .. skype, sorry
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Old 25th January 2010, 02:25 PM   #55
AP2 is offline AP2  Italy
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Yes,lc not problem, pre-driver/driver yes..many delay and other introduces.
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Old 25th January 2010, 02:29 PM   #56
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What do you mean by "pre-driver/driver"?
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Old 25th January 2010, 02:35 PM   #57
AP2 is offline AP2  Italy
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comparator--Dt/logic (if it)--driver. 3 stage for amp.
previous post. refers to an amplifier with audiophile performance only.
normal also hi-power not problem with chip driver.
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Old 25th January 2010, 02:59 PM   #58
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Just out of curiosity: Does anybody know anything about this class D amp:
MC2 Audio - E45 Introduction

I am very fond of their class A/B amps (I've got three of them) but have never heard this one. And no I don't really need that much power!
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Old 25th January 2010, 03:08 PM   #59
AP2 is offline AP2  Italy
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I do not know this amp, looks good.
date .. it seems very good.
who knows who designed the PSU!
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Old 25th January 2010, 03:22 PM   #60
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There are two may be three main possibilities on who designed the psu:
Terry Clarke (founder of Klark Teknik), some HiFi consultant guy by the name of Ian McCarthy or the people who founded XTA.
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