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Tweakers' Asylum Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ. |
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In Reply to: is this viable for +/- psu ? posted by snkby on March 4, 2006 at 21:18:32:
Here is an example of a split (+/-) DC power supply. Notice that only one full wave bridge rectifier is being used. D2, D3, D5 and D7 are the birdge. D1, D4, D6, D8 are there to protect the voltage regulators (look at any 78xx series data sheet for why).
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Follow Ups
- you don't need two bridges for a split power supply - Tweekeng 21:02:35 03/05/06 (5)
- but that's a ct transformer (nt) - Slider 21:44:02 03/05/06 (4)
- Yeah, I misread your question... - Tweekeng 21:47:33 03/05/06 (3)
- That's what I thought till I found one... - reuben 06:56:21 03/06/06 (2)
- sure but... - Tweekeng 10:31:22 03/06/06 (1)
- Re: sure but... - reuben 08:58:18 03/07/06 (0)