90' turn in pcb trace? is it harmfull
๐Why 90 degree turn traces produce cross talk or noise in pcb?
Replies
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KINETIC_JOULESUmm. . . can you please clarify your question?
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reachrkataYes 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.sThanks..
Do you have any waveforms or simulation results if any to justify answer
or else if snapshots thats enough -
Ashraf HZ
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.KENETIC_JOULESUmm. . . can you please clarify your question?
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 ๐
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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:!:ashI believe you can try finding those in IEEE journal papers ๐
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Ashraf HZ
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.just2rockwe 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:!:
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 ๐ -
Ashraf HZIf 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.
IEEE Xplore Login
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! -
KINETIC_JOULES
Thanks! I'm still relatively new to all of this.ashTraces 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.
You are reading an archived discussion.
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