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Type: Posts; User: Phaedrus2129

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    Thanks. I'm still in LA, so if you ever make a...

    Thanks.

    I'm still in LA, so if you ever make a trip to Azusa drop me a line. I'm only about 30 minutes away. I think you should still have my email/phone #
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    They'd have to offer me a whole pile of money to...

    They'd have to offer me a whole pile of money to move up to the Bay and start working in this industry again. I'm probably not worth it. ;)
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    I'm not dead. But...

    Hey guys. I accidentally clicked on the wrong link in my shortcuts folder and found myself here for the first time in a few years. Takes me back... I'm doing ok, but I'm pretty much out of the...
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    Don't forget that Arctic Cooling fiasco. Built...

    Don't forget that Arctic Cooling fiasco. Built down to a cost; poor build quality, and high ripple.
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    Got one just now. IP geolocates to either...

    Got one just now. IP geolocates to either Arkansas or New York.
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    I had issues with my WES51 being able to do the...

    I had issues with my WES51 being able to do the main cable bunches, especially with RohS solder. Though perhaps that was because I didn't have a broad enough chisel tip. I'd highly recommend getting...
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    That's rise time / fall time for the PSU, not for...

    That's rise time / fall time for the PSU, not for the AC input during hold-up time tests, which is what I was talking about.

    The point of having "synthetic" scenarios is to have a consistent test...
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    My issue with that ATX requirement is the lack of...

    My issue with that ATX requirement is the lack of any further testing criteria for it. For instance, when it comes to measuring ripple the standards state how to set up the probes, what bandwidth...
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    I tested an HEC FlexATX recently. It performed...

    I tested an HEC FlexATX recently. It performed fine, even under a high-heat torture test (I put tape over the fan intake and all vent holes). HEC does make a lot of low-end crap, but they can also...
  10. Sticky: People in engineering and product management...

    People in engineering and product management spend hours upon hours making sure that the customer has to do the minimum amount of thinking possible when using their product (because many customers...
  11. Oh, you have the 12Z? Then that's a totally...

    Oh, you have the 12Z? Then that's a totally different PSU. I think they fixed the issue in that one, yeah.


    Still, it's not worth much even with new caps. It's a mediocre low-end OEM unit. A few...
  12. Improved ripple & noise performance, and better...

    Improved ripple & noise performance, and better hold-up times. And you'll have to worry less about a cap blowing in the future.

    But the fact remains that this Bestec's +5VSB rail has a fatal...
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    Kip's a great guy, but not a PSU expert. I'm glad...

    Kip's a great guy, but not a PSU expert. I'm glad he got the footage though, that is interesting. I agree with bobnova, I think what's going on is that the PFC stage is doing synchronous...
  14. 500mV is a problem if you want to use an RS232...

    500mV is a problem if you want to use an RS232 port and your motherboard doesn't generate the signal voltages itself. In other words, if you're living in 1996. Hm... The Billboard #1 hit that year...
  15. Or something like that. :p

    Or something like that. :p
  16. EVGA is not a US company, they're Taiwanese. They...

    EVGA is not a US company, they're Taiwanese. They do sell mostly in the US though.
  17. Some people take a while to take advice.

    Some people take a while to take advice.
  18. Maybe you could cobble together a linear power...

    Maybe you could cobble together a linear power supply? Get a transformer, rectifier, caps, etc.


    Or if you're really an EE guy, Intersil has a neat chip called the ISL8225M that is a very nice...
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    I suggest paint.

    I suggest paint.
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    Reminds me of dozens of low end units. Couldn't...

    Reminds me of dozens of low end units. Couldn't say specifically based on the second or so of grainy footage we get.

    I'll take a wild guess and say Golden Tiger. I know it's not though.
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    According to Westom a magical "whole house"...

    According to Westom a magical "whole house" earthing line completely solves all surge issues. Perhaps because he works or consults for a company that sells them (probably not as an engineer...),...
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    Yeah, I warned GS about Westom, he knows. But...

    Yeah, I warned GS about Westom, he knows.

    But I'm not an expert on surge protection, so I referred him here. I know we have some knowledgeable people.
  23. Yes, I fixed that a little bit later. The 4W was...

    Yes, I fixed that a little bit later. The 4W was with them in series.
  24. Speaking of design, ...

    Speaking of design,

    http://fc01.deviantart.net/fs70/f/2013/031/9/1/buck_regulator_current_by_phaedrus2401-d5tdlmu.png

    I've started picking up the basics of SMPS design. This was originally...
  25. You can tell which by using a multimeter to...

    You can tell which by using a multimeter to measure current through the pot. If it's a few amps, then it's the former. If it's in the mA region then it's a feedback loop.
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