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Old 22nd June 2003, 05:50 PM   #1
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Default Parts source for M.Hubers P.S. regulator?

Does anyone know where I can get the parts for Manfred Hubers regulator? I can't seem to get them anywhere i usually get stuff (mouser, digikey, mcm).


These are some of the parts i can't find:

ZPD10 (zener)
BSS135 (mosfet)?
MTP2P5O
ZTX458
ZTX558

He mentioned farnell.com, but that doesn't seem to work.

Thanks for any info!

Matt Mitchell
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Old 22nd June 2003, 08:33 PM   #2
Netlist is offline Netlist  Belgium
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Lets see,
The ZVP10 can be replaced with any 1.3W 10V zener.
Probably two 5.1V zeners can do the job.
The BSS135 is a 600V mosfet.
I doubt you need 600V.
The MTP2P50 = V-MOS, 500V, 2A, 75W, <6ohm(1A)
Look for IR substitute.
The ZTX458: MPSA44, 2SD1350
The ZTX558: 2SA1251, 2SA1625, 2SA1699, 2SB1074
You wont find those either.

Could you post a schematic, or a link to it?
It looks like that regulator is quit old. Besides that, Mr. Huber has used parts with very high specs, especially the voltages are very high. Not quite sure this is necessary.
Oh, and what is not working with Farnell?
/Hugo
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Old 22nd June 2003, 11:44 PM   #3
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Hey,

Thanks for the reply and very useful information!

Here is the link to the regulator that I'm thinking of building. I've looked at Allen Wrights SuperReg, but this looks more simple to me.

http://home.t-online.de/home/MHuber/bjtreg.htm

Any thoughts on this regulator?

Thanks again,

Matt
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Old 22nd June 2003, 11:54 PM   #4
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Hi,

Quote:
Any thoughts on this regulator?
Yes, what's is going to regulate?

Cheers,
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Frank
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Old 23rd June 2003, 12:53 AM   #5
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I guess that it makes some sense to know what circuit it's going to supply!

I'm using this circuit for tube preamps. right now, i have a mic preamp circuit i'm working on. it's all balanced, uses Allen Wrights Cascode topology (using a MAT02 and a 6DJ8) for the input stage, then goes into another stage (6sn7) using only one phase of the input stage, the 6sn7 drives an eq circuit and a limiter, then into a phase splitter, and into a long tailed pair (6H30) driving a 1660LL transformer.

Does that help? I like this regulator because i can make sense of it, and have heard good things about it.

Matt
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