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Old 15th March 2012, 07:26 PM   #5611
CeeVee is offline CeeVee  Portugal
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We will see, i would suggest to wait for the draft design of Shiga PCB and i could redesign PCB to fit neatly on it with 3 pin terminal.

BUT and here is a big but we should first ask Peter Daniel if we can do this since he was the one who published the design !!!
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Old 15th March 2012, 08:00 PM   #5612
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Ooops - good point - didn't think of that though the sketch of the design was
published for us to p2p copy wasn't it ?
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Old 15th March 2012, 09:11 PM   #5613
hotiron is offline hotiron  Scotland
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Just sim'd this reg. Results are pretty impressive. I'm off to build one.
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Old 15th March 2012, 09:24 PM   #5614
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You mean you had all those bits lying around in your box ?
Blimey !
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Old 15th March 2012, 09:25 PM   #5615
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Quote:
Originally Posted by CeeVee View Post
We will see, i would suggest to wait for the draft design of Shiga PCB and i could redesign PCB to fit neatly on it with 3 pin terminal.

BUT and here is a big but we should first ask Peter Daniel if we can do this since he was the one who published the design !!!
The design is actually Bobken's, and he is happy for everyone to use it.

Please keep in mind that his reg is so good partly because all its components have been carefully selected "by ear". In other words, I suggest that you stick to Peter's recommended components unless you have a good reason to deviate from his choices (like the expense of buying a 10uF BG N).
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Old 15th March 2012, 10:45 PM   #5616
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Quote:
Originally Posted by uncle_leon View Post
The design is actually Bobken's, and he is happy for everyone to use it.

Please keep in mind that his reg is so good partly because all its components have been carefully selected "by ear". In other words, I suggest that you stick to Peter's recommended components unless you have a good reason to deviate from his choices (like the expense of buying a 10uF BG N).
Current "youpay" 1- pair 2200 =GBP 100
1- pair 10 =GBP 40
I think not for me, will look for a different solution.
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Old 15th March 2012, 11:16 PM   #5617
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Yes, it will be a bit pricey. What are the total voltages needed? I see at least +8 VDC and +5 VDC. Anything else?
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Old 15th March 2012, 11:22 PM   #5618
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Black Gate FK are not a part of the regulator itself, they are just in the Peter's recommended PSU configuration.

If you can't afford Black Gates, consider using a 2200uf Elna Starget and a 1000uf Sanyo Os-Con instead - they sounded best in my extensive capacitor tests. I would also pick Os-Con for the 10uf position as it sounds slightly more accurate than Starget, but some people prefer the warmer Starget signature. Stargets also benefit more from wood-modding (if you take such things into consideration).
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Old 15th March 2012, 11:40 PM   #5619
massimo is offline massimo  Italy
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Should the big 3W resistor be 3 or 15 ohm?
According to the sim 15 ohm leads to 0.017A CCS. Am I right?

Last edited by massimo; 15th March 2012 at 11:49 PM.
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Old 16th March 2012, 03:36 AM   #5620
TheGimp is offline TheGimp  United States
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I've started gathering components for my Shigaclones, and have a nice section of copper plate for the base/bases.

the plate measures 10.5" (26.7cm) X 4" (10.16cm) X 1/4" (3.56cm).

Is this large enough for two units or should I just use it for one? It seems quite massive compared to the transport mechanism.
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