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Old 18th September 2008, 01:15 PM   #11
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pchw, my PCB design was adapted to accept the OPA656 that has only pin4 and pin7 as supply voltage pins. After verification, it would also accept the AD9631. Check the PCB layout zoom for more details.
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Old 18th September 2008, 01:41 PM   #12
Alex M is offline Alex M  United Kingdom
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Algar-emi,

I like your neat PCB design - particularly the way you have rotated the DIL pinout to take a surface mount component! I used a normal DIL op-amp, of course, in mine.

Alex
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Old 18th September 2008, 03:56 PM   #13
pchw is offline pchw  United States
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Quote:
Originally posted by Algar_emi
pchw, my PCB design was adapted to accept the OPA656 that has only pin4 and pin7 as supply voltage pins. After verification, it would also accept the AD9631. Check the PCB layout zoom for more details.
This is great. I can't wait to hear your impression!!

Thanks for sharing!!
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Old 19th September 2008, 03:15 AM   #14
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If any of you need a PCB of this regulator, I can probably make one for you since the original designer kit seems to be not available anymore. Normally, I never sell PCB of current commercial kit. I make my own PCB, with my own design, for my own use.

If interested let me know. My PCB's are made entirely manually by me, FR4 material, solder plated, drilled and ready for assembly. I sold a few of each of my projects to other DIYer's.

This offer may not be available for long. I put my house on sale one month ago. If I sell it, all my DIY projects will be put on back burner for at least a year, so...
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Old 19th September 2008, 06:06 AM   #15
pchw is offline pchw  United States
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I am interested in the board. PM follows.
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Old 19th September 2008, 12:10 PM   #16
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I already received a few request for this PCB and I may start a small production run. First as I said to other member, please check the availability of all the parts. Some of them can be difficult to source, the 2SK369 Fet in particular. I know that Vacuum State is selling matched pairs of this fet.
That could be one of the best source, see:
http://www.vacuumstate.com/index.tpl...669.4724110976

I already received a few request . I'll let you know.

Thanks...

SB
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Old 19th September 2008, 01:03 PM   #17
flg is offline flg  United States
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I would be interested in 2... Thanks
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Old 19th September 2008, 01:12 PM   #18
Alex M is offline Alex M  United Kingdom
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I understand that the 2SK170 is equivalent to the 2SK369, and I managed to get away with selecting a few 2SK170bl with high Idss. I bought mine from Donberg in Ireland, though I don't know whether they have stock right now.

I also used the plastic SM package version of the BSS135 instead of the LND150 (a recommended substitution in Emile's construction manual) , the BSP135.

Alex
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Old 19th September 2008, 06:12 PM   #19
pchw is offline pchw  United States
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Hmm, I have a few 2SK170BL and 2SK389BL. I wonder I have some luck to use some of them instead of the V.
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Old 20th September 2008, 01:27 AM   #20
delvaje is offline delvaje  France
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Default Shunt regulator

I am interested in buying eight PCB's for this regulator.
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