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7th February 2006, 11:49 AM
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#1 |
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diyAudio Member
Join Date: Jun 2005
Location: Skopje,Macedonia
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Aleph 5
Dear all,
I have posted few days ago a tread about some modifications. what I need to know, could I use 2,2mF/400V-MKP type to bypass zener diode Z5. Thank you, Regards, |
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7th February 2006, 12:34 PM
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#2 | |
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diyAudio Member
Join Date: Jan 2003
Location: ancient Batsch , behind Iron Curtain
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Re: Aleph 5
Quote:
use 2u2/63V 400V one is a waste
__________________
my Papa is smarter than your Nelson ! tnx to  clean  thread ; Cook Book ; PSM LS Cook Book ; Baby Diyaudio FORUM ; BAF Forum & Gallery;I'm dumb
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7th February 2006, 01:04 PM
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#4 |
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diyAudio Member
Join Date: Jun 2005
Location: Skopje,Macedonia
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Chocky,
I have a 2,2uF/275v MKP, I can't find any other with lower voltage. So can I use them..... William, Sorry for bad typing. You suggest other value then many others??? Little bit confused.......  Regards, |
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7th February 2006, 02:44 PM
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#5 |
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diyAudio Member
Join Date: Aug 2001
Location: Ingolstadt Germany
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Hi,
well since there is no current to speak of charging/discharging this cap and the main reason to put it there is noise reducting 2,2uF seems quite big (not only the value but also the size) That´s why I suggested 100-500nF. Probably you can go even lower. Nelson never bothered to put a cap here so maybe the input diff pair causes more noise than the zener........... Maybe someone made some measurements concerning the noise of the zener in the Aleph input current source? William
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8th February 2006, 06:33 AM
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#6 |
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diyAudio Member
Join Date: Jun 2005
Location: Skopje,Macedonia
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Thank you William...
Regards, |
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