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Recent content by Cubrilo

  1. C

    [SOLVED] Name of "tweaking" components

    Thank you, Keith, that was just what I was looking for.
  2. C

    [SOLVED] Name of "tweaking" components

    Hi, Is there an "official" (or widely accepted) name for "tweaking" components, i.e. components (usually resistors and capacitors) which values are chosen from the subset AFTER the board was assembled? How they are denoted on schematics (asterisk comes to mind)? Regards
  3. C

    Total Gate Charge for STN4NF20L STMicroelectronics N-CH MOSFET

    It's a simple miswriting, if you only bother to look at Figure 8. it clearly shows that Qgs = 0.9 nC, Qgd = 2.6nC so Qg (Total Gate Charge) is 6.9 nC.
  4. C

    Identify green toroid cores in common-mode chokes?

    Thank you, it's a good advice, however the trouble is that AN authors usually don't bother much about this, they buy some off-the-shelf choke and state the part number and the manufacturer. I'll keep trying.
  5. C

    Identify green toroid cores in common-mode chokes?

    Measured relative permeability (mu) is about 2700.
  6. C

    Identify SMD component RefDes "BC" (looks like C, behaves like small R)

    Definitely it is not capacitor, because it is conductive for dc signal. It is connected to the inputs of the operational amplifier (in series), like a ordinary zero-ohm smd resistor. 0805 is the size.
  7. C

    Identify SMD component RefDes "BC" (looks like C, behaves like small R)

    Thank you Rob! Sorry I forgot it is simply connected in series. The color (brown) is darker than the capacitor, but is not dark either, and the inductance is small (1u) for an inductor.
  8. C

    Identify SMD component RefDes "BC" (looks like C, behaves like small R)

    Please can somebody identify the component SMD 0805 that looks like a capacitor, but has very small resistance (around 0.1 Ohm). No marks on it, on the board has reference designator "BC". I've never seen it before.
  9. C

    Low resistance SMD resistor "003", how much is it?

    My thread - my reply: it is 3 mOhm, believe it or not.
  10. C

    Low resistance SMD resistor "003", how much is it?

    No, it's a simple resistor, it's just "003". If there would be R, I would not asking.
  11. C

    Low resistance SMD resistor "003", how much is it?

    Low resistance 2512 resistor has designation "003", is it 30 mOhm? There is no letter R.
  12. C

    Identify green toroid cores in common-mode chokes?

    Has anybody here seen real power supply?
  13. C

    Identify green toroid cores in common-mode chokes?

    Hello, I've seen green toroid cores for common-mode chokes in few power supplies from different manufacturers. Can somebody please write the manufacturer? Regards
  14. C

    Spice automated plot possible?

    Thank you both. I didn't explain precisely at the first place. Particularly I need AC sweep but with switching therefore non-linear - classic AC sweep is not useful. Yes, parametric would be more suitable, I can specify the points I want to be analyzed, but this is transient (time) analysis, I...
  15. C

    Spice automated plot possible?

    Hi Spice experts! Is it possible to have automated plot in spice (PSpice)? Instead, now I'm running transient simulation, then plot and save what I need manually, then change source/parameter and run again... Is it possible to do it simply like in matlab: for counter hold axis(settings)...
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