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TIP50 + LM317 High Voltage Regulator
TIP50 + LM317 High Voltage Regulator
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Old 2nd August 2005, 09:53 AM   #1
bee696 is offline bee696  Thailand
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Default TIP50 + LM317 High Voltage Regulator

Dear all,

I'm looking for the the captioned schematic. Actually, I stored in my PC but I can't find it

Pls help.
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Old 2nd August 2005, 10:26 AM   #2
TonyTecson is offline TonyTecson  Philippines
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TIP50 + LM317 High Voltage Regulator
hi,

if you know what format it is, example, .jpg. then you can use the "search" function in your pc. if its there you will find it.
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Old 2nd August 2005, 11:51 AM   #3
audiousername is offline audiousername  Australia
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No TIP30, but is this along the lines of what you're looking for?
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Old 2nd August 2005, 12:16 PM   #4
arthur is offline arthur
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TIP50 + LM317 High Voltage Regulator
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Old 2nd August 2005, 12:19 PM   #5
arthur is offline arthur
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TIP50 + LM317 High Voltage Regulator
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File Type: jpg matisse.jpg (64.3 KB, 1948 views)
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Old 2nd August 2005, 01:31 PM   #6
Brian Beck is offline Brian Beck  United States
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Default Try a MOSFET instead of a TIP50

These are variations on the tried-and-true Maida design, which I've used successfully many times in the past - all the way up to 1000V! The problem has always been that high-voltage bipolar transistors have low current gain, so you are forced in many cases to use a Darlington configuration. A buddy of mine just built a Maida variation using a 1000V MOSFET (in a TO-220 package) to stretch the voltage, instead of a Darlington pair. Works great he says. I don't have the part number but I can ask if anyone wants to know. There are surely a large number of high voltage MOSFET types available.
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Old 2nd August 2005, 11:21 PM   #7
cpu_bach is offline cpu_bach  Japan
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Hello. For a MOS-FET version, check the following site of my friend.
http://www.geocities.jp/shoranosekai...irozu2of2.html

The original design was introduced by Mr. Kato (JA9TTT). His site no more carries the drawings. I have followed his design and enjoy verious kinds of high voltage power supplies for my tube amplifiers.
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Old 3rd August 2005, 06:57 AM   #8
gingertube is offline gingertube  Australia
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Default Example

Check out the captioned SFM80 Schematic here:
http://www.diyparadiso.com/proj/sfm75.htm
Don't worry about his SRPP comment at the top of the schematic, not a SRPP in sight.
The whole front end circuit is available as a kit or PCB only from Curcio Audio Engineering (CAE). IIRC the PCB-1A. Of course, no circuit value on the schematic at CAEs website.
I've built a few of these - works well.
Cheers,
Ian
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Old 3rd August 2005, 10:11 AM   #9
bee696 is offline bee696  Thailand
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Dear all, Thanks so much for your helps!
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Old 4th August 2005, 04:47 AM   #10
WALTER BURKHARD is offline WALTER BURKHARD  Finland
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Dear all,

Actually, I stored in my home 3 boards for sale.
If somebody need a board i can sale them.
my mail walter_burkhardt@web.de
regards walter
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