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3rd November 2010, 08:24 PM
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#482 |
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diyAudio Member
Join Date: Oct 2003
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The MOSFETs I intend to use for the regulators are 2SK3497 / 2SJ618.
Low dropout and low Zout, +ve tempco, ideal for the purpose. I just checked at Toshiba and they have been categorised as "Not recommended for New Design". Not yet end of line, but maybe we should also organise a GB before long. Available at bargain prices from Digikey, but rather long delivery, I was told. If someone would organise GB and match (we should really, even though to 0.2V and not 20mV), I shall take 20 each. You can also try them in place of 2SK1530 / 2SJ201 in the F5 / F5X. If you want to simulate, I have the Spice models. Patrick |
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3rd November 2010, 08:26 PM
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#483 |
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Banned
Join Date: Nov 2006
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I would be interested in some of those
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3rd November 2010, 08:35 PM
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#484 |
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diyAudio Member
Join Date: Oct 2003
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You already have tons of work still lined up. So do I.
Someone else could organise this one .... If we cannot get them we can still use 2SK1530/2SJ201 for the regulators. But these are really End of Line, and are also much more expensive. We'll have regulators, one way or another.  Patrick . Last edited by EUVL; 3rd November 2010 at 08:39 PM. |
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3rd November 2010, 08:38 PM
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#485 |
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Banned
Join Date: Nov 2006
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NOOOOOOOOOOOOOO
I don't wan to organise it. I would be interested in purchasing though. |
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3rd November 2010, 09:10 PM
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#487 | |
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diyAudio Member
Join Date: Jan 2003
Location: ancient Batsch , behind Iron Curtain
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Quote:
but - I'll not use them for amplifying purposes ......
__________________
my Papa is smarter than your Nelson ! tnx to  clean  thread ; Cook Book ; PSM LS Cook Book ; Baby Diyaudio FORUM ; Mighty ZM's Bloggg;I'm dumb
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3rd November 2010, 10:00 PM
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#488 |
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The one and only
Join Date: Mar 2001
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Investment purposes?
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3rd November 2010, 10:18 PM
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#489 | |
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diyAudio Member
Join Date: Jan 2003
Location: ancient Batsch , behind Iron Curtain
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Quote:
even if maybe better than plain IRFPs for amplification , they look as sorta rough even for investment purposes 
__________________
my Papa is smarter than your Nelson ! tnx to clean thread ; Cook Book ; PSM LS Cook Book ; Baby Diyaudio FORUM ; Mighty ZM's Bloggg;I'm dumb
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4th November 2010, 01:54 AM
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#490 |
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diyAudio Member
Join Date: Oct 2003
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I knew Zhou has them on order, but he has no time to match these days.
> even if maybe better than plain IRFPs for amplification , they look as sorta rough That means you have not tried them.  I have not either, but I know people who has.  Patrick Last edited by EUVL; 4th November 2010 at 01:59 AM. |
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