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21

I would route them together from the resistor to the sensing circuit. Where they cross over the boundary from the isolated power domain into the sense domain, I would use a capacitor as the bridge (placed between the signal traces.) We do this all the time in battery management between the high voltage and the low voltage, control domain.

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Thank you Dan!

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Thank you Dan.

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Thanks a lot, Dan!

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Thank you, Dan!

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Thanks a lot Dan.

1 Like
27

@daniel.beeker Do traces with right-angle bends affect signal integrity and circuit functionality?

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This question often comes up. The change in trace width during the right angle copper portion does create a discontinuity. However, it is so small in length that it is lumped for any frequency of signal that you will find on an FR4 PCB. Unless you are working with signals that switch in the terahertz range, these shapes are invisible.