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sorenb

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About sorenb

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    Limited Edition Bronze Participant
  • Birthday August 19

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  • Interests
    patchwork, pilates and cupcake baking

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    some I got from an American Airline flight

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  1. sorenb

    And now what did you do TODAY?

    continuing like that, you soon end up wearing a beret, eating fois gras, smoking two packs of Gauloises each day and driving a Renault 4, while complaining about the englishmen ...
  2. sorenb

    grounded grid

    you might check the current sources:
  3. sorenb

    stax mafia circuit boards

    I might have two sets I want to depart with 2mm/4oz
  4. sorenb

    i'm on a roll... the kgsshv

    <10V offset isn't a problem. Engaging the servo should quickly get you <1V
  5. sorenb

    grounded grid

    lower the tail resistor by some ~50ohms and re-adjust
  6. sorenb

    grounded grid

  7. Do you still have extra Carbon boards? I'm interested in one (one pair?) to build amp.

    Vlad

  8. sorenb

    2018 PCB Group Buy with TKD pots

    seeing only a few people have signed up for Carbon boards. I have some version 6g from PCBNet 2mm/3oz, that I don't mind departing from (16.75USD/ea). If interested shoot me a PM.
  9. sorenb

    KGSSHV Carbon Build Thread

    ....same source as for the other 10m90's in your build?
  10. sorenb

    KGSSHV Carbon Build Thread

    where did you get those 10m90's from?
  11. sorenb

    KGSSHV Carbon Build Thread

    unless you've got bad 10m90's (I've never come across any) I find it peculiar that both seems to be acting up pull out one 10m90 and test it with a DMM at ohms, test drain-source: short all legs, before measure drain-source => very low ohms if you don't get that the 10m90's are probably bad if you have a breadboard you might find it useful to build a cascoded css including the trimmer, and test as previously described. If you can't adjust the current using the trimmer, the DN2540 is probably bad (I've seen that a few times) Or you can use an 8pin IC-socket with resistors+trimmer soldered to build a bug-style test CCS-fixture. .
  12. sorenb

    and now for something completely different part 3

    Very nice build Jose con grat!
  13. sorenb

    goldenreference low voltage power supply

    Yes, check your rectified input voltage ...probably too low ...or you might be pulling too much current >3A or so
  14. sorenb

    KGSSHV Carbon Build Thread

    not sure how you can measure currents like that using 18V ....sounds like something else is wrong ...
  15. sorenb

    KGSSHV Carbon Build Thread

    detach the HV rails and use the +LV or two 9V batteries
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