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PC Power Supply Discussion Troubleshooting and discussion of computer power supplies

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Old 01-27-2008
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Well, I think that's the primary problem here.. why not? Costs. Even if the component cost is not higher, R&D costs. Of course, there could be other reasons that we're not thinking of, but if you look at pretty much all of the PC PSU's on the market you will essentially see the same unit over and over again. There are some units out there that are a departure from the old school SMPS topology we're used to seeing, but those units also are not using two transformers.
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Old 01-27-2008
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Originally Posted by cypherpunks View Post
Oh, no doubt, but the question is, once you've decided you need multiple transformers, why not take advantage of them?
Cost. Space. In some cases, incompetance in the engineering staff
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Old 01-27-2008
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Originally Posted by Oklahoma Wolf View Post
Cost. Space. In some cases, incompetance in the engineering staff
Well, we've determined that the power components required are identical, so the per-unit cost is basically the same, and the space is the same.

But indeed, "never attribute to malice that which can be adequately explained by incompetence."

Seriously, there are other costs. Development, testing, reliability risk, time to market. But in the long run the component cost wins.
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Old 03-13-2008
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cypher: If you don't mind me asking, what is your profession and where does all your knowledge come from?
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