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Type: Posts; User: cyberrat

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  1. Closed: Re: PCB flexion and cracking of SMD capacitors

    All the above and ISTR that it was shown that by having the pad narrower than the capacitor ends, cracking was reduced.
    However its been so long since I read the article on it that I have no idea...
  2. Closed: Re: Gerbers and drills offset from one another...cant view properly in GC prevue

    What your PCB guy is probably doing is outputting his gerbers using gerber.usr and ncdrill.usr.

    Get him to use rs274-x.usr and excellon2.usr, also to modify them using Notepad.

    Point him to...
  3. Closed: Re: CADSTAR component missing in mechanical view

    Have a look at your colours setup, check if the layers are correctly turned on.

    What version of cadstar is this?
    Can you show a screenshot of this "mechanical view" ? as I do not recognise this...
  4. Closed: Re: Any way to auto-wire schematic from a text/table file?

    Does altium import a RINF file?
    If so then yes that is one way to do it.

    hard work, so can you not simply use copy & paste a lot instead?
  5. Closed: Re: Any idea what brand make or model this connector this is chaps

    Looks very similar to a figure 8 power socket....
  6. Closed: Re: USB-C connector: Can I use it just as a connector for another purpose?

    Do not forget that a user may also plug a USB3 power supply into it.
    So whatever your internal processing, it may have voltages applied to the port.
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    Closed: Re: Mains Wiring Colour Code

    Yes Coates, that's what I keep telling electricians, 7671 does not apply to equipment.
    Neither standard are legal requirements - they are just ways of complying with the law.
    ISTR 60355 is also a...
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    Closed: Re: Ground Connection with PCB

    What does this board do?
    It looks like all it's doing is powering an LED? I see no output.
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    Closed: Re: Warning: Save can not be completed

    fix your license.
    It's likely because it cannot see what is supposed to license it.
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    Closed: Re: Mains Wiring Colour Code

    What proof do you want?

    Proof of the UK wiring colour scheme can be found within BS7671 but that can only be obtained by paying for it or getting a dodgy copy.

    You can have a look at the wiki...
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    Closed: Re: Mains Wiring Colour Code

    What Barry says is correct, the colour codes do not apply within equipment and the manufacturer is AFAIK free to choose their own colours.
    Green,Yellow is generally always chosen for Earth/bonding...
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    Closed: Re: Software to reverse engineer a PCB

    Someone needs to write an app for this.
    Take photo of board, app decodes it and provides you with full schematic, parts list and Gerbers.

    Coming soon to an Android or Apple phone near you.
    ...
  13. Closed: Re: CADSTAR help needed with documentation symbols

    Or just do as suggested above and use a documentation symbol with documentation attributes in it.
  14. Closed: Re: CADSTAR help needed with documentation symbols

    Ah well.... It seems Ian is a 1 post wonder.
  15. Closed: Re: Surge modules containg MOV and GDT in series...how to test the MOV for leakage cu

    Does BS/EN 60355 cover your product?
    ISTR the lowest voltage test in that is 1kv if the product runs on >150v.
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    Closed: Re: Gerber file format...help please

    Lets get Marc in on this to call y'all a bunch of heathens who should be using ODB++ by now :)
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    Closed: Re: Board to board connection

    Whats the budget and pin count? Also distance between both boards?
    There are low insertion force board to board connector pairs available.

    Have you tried looking at the Samtec ranges?
    Or...
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    Closed: Re: Farnell website is very slow ...why?

    Have you tried asking Farnell themselves about why their website is so slow?

    I think they are more likely to be able to tell you than asking on an international forum.
  19. Closed: Re: Need Circuit Diagram for "Whirlpool L1961 Quartz pp6" washing machine PCB.

    Are you sure they are zeners? they could just be cheap signal diodes.

    Whirlpool boards generally seem to have 1n4000 series diodes in.
  20. Closed: Re: Circuit Board is not working properly at 2.4GHz

    "Please help to find the exact reason."

    How long is a piece of string? I'm not going to show you the string, tell you what sort of string it is but you guess exactly how long it is? roflmao.

    If...
  21. Closed: Re: Toe, Heel and Side size in PCB library expert and Altium Designer

    As Marce says, it's only a guide.
    PCBLibraries tend to work more on their tool, it is also using IPC-7351 rev C while Altium is probably still using rev B, Altium likely do not keep up with changes...
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    Closed: Re: Panel Design of Circular PCB

    Try asking your fab house about it, ask why they reccomend this and what its for.

    Adding spacers between the boards can add stability to the panel, prevents boards warping when in the panel so...
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    Closed: Re: Gerber file format requirement

    Or you could import the -D gerbersand apeture list into a CAM package that can then output as -X version again.
    Your problem is finding that program now.
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    Closed: Re: Downlaod odb++ viewer

    If ODB++ was so good then surely there would be a good viewer for it.
    The Valor one is not.

    Pity.
  25. Closed: Re: Help needed to enable Auto Route in Orcad Layout 16.0

    And for that small a board - you would be better doing it manually - autorouting never ends well. :)
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