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Tweakers' Asylum Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ. |
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Tweakers' Asylum Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ. |
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In Reply to: LM723 + pass transistor and SCR crowbar ? posted by AbeCollins on May 30, 2013 at 13:22:10:
The reason for using 14 gauge stranded is that is what I had. The TO-3 device is a 2N3055 so it is not the regulation but a common transistor used in amplifiers and power supplies.
I have no schematic but remember a TO-220 device which is likely a LM-317 or a LM-7805 but I thought they only do an amp or two. I have no doubt but this is fairly run of the mill but it is linear, regulated and much better than the wall wart and cheap(ish) and easy to implement.
Lots of headroom as its draw is 700ma, about a fifth of the supplies capability.
ET
ET
"If at first you don't succeed, keep on sucking till you do suck seed" - Curly Howard 1936
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Follow Ups
- RE: LM723 + pass transistor and SCR crowbar ? - Awe-d-o-file 14:04:18 05/30/13 (3)
- RE: LM723 + pass transistor and SCR crowbar ? - AbeCollins 15:05:12 05/30/13 (1)
- RE: LM723 + pass transistor and SCR crowbar ? - Awe-d-o-file 04:54:10 05/31/13 (0)
- RE:"I thought they only do an amp or two" - 1973shovel 14:24:37 05/30/13 (0)
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