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  • KINETIC_JOULES

    MemberJul 2, 2008

    Umm. . . can you please clarify your question?
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  • reachrkata

    MemberJul 2, 2008

    Yes it is harmful depending on what signal it carries. If it a DC signal no harm. If a HF signal, then the abrupt turn of the trace creates an antenna from which the HF signal radiates.
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  • umashankar.s

    MemberJul 2, 2008

    Thanks..

    Do you have any waveforms or simulation results if any to justify answer
    or else if snapshots thats enough
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  • Ashraf HZ

    MemberJul 2, 2008

    KENETIC_JOULES
    Umm. . . can you please clarify your question?
    Traces are those copper (or other conductors) tracks you find on Printed Circuit Boards. umashankar's question was basically asking why the copper tracks at are 90[sup]o[/sup] (right angled) produces "cross talk" and "noise" in PCBs.

    Do you have any waveforms or simulation results if any to justify answer or else if snapshots thats enough
    I believe you can try finding those in IEEE journal papers 😀
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  • just2rock

    MemberJul 3, 2008

    ash
    I believe you can try finding those in IEEE journal papers 😀
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    we in CE is here to support with technical knowhows we have and help query generators get his solutions here in CE only,not to bypass it to some journals,which in return shall prove our weakness Ash:!:
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  • Ashraf HZ

    MemberJul 3, 2008

    just2rock
    we in CE is here to support with technical knowhows we have and help query generators get his solutions here in CE only,not to bypass it to some journals,which in return shall prove our weakness Ash:!:
    Haha, I understand your point. However, the reason I gave the IEEE journals was because he requested for waveforms or simulation results regarding the effect of a 90 degree trace with HF signals. Those journals are not limited to industry professionals and PhD engineers; they are good resources even for students.

    I personally dont have the software capable of simulating the effects on traces, but those who could would have posted their results in those journals 😀
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  • Ashraf HZ

    MemberJul 3, 2008

    If you havent searched yet, here's one of the journals you can refer to:
    "Right angle corners on printed circuit board traces, time and frequency domain analysis"
    Montrose, M.I.
    <a href="https://ieeexplore.ieee.org/Xplore/login.jsp?url=/iel5/6500/17352/00801409.pdf?temp=x" target="_blank" rel="nofollow noopener noreferrer">IEEE Xplore Login</a>

    However, you will not be able to access the full content without full subscription (not only just a IEEE membership, unfortunately). Good news is, you can find the document for free from the actual source:

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    Hope that helps!
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  • KINETIC_JOULES

    MemberJul 3, 2008

    ash
    Traces are those copper (or other conductors) tracks you find on Printed Circuit Boards. umashankar's question was basically asking why the copper tracks at are 90[sup]o[/sup] (right angled) produces "cross talk" and "noise" in PCBs.
    Thanks! I'm still relatively new to all of this.
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