Electronics > PCB/EDA/CAD

PCB paristic capacitance

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john23:
Hello, given the pcb shown below, how do i know from the route from 1 to 2 what parasitic capacitance i will get into the input of the opamp located at point 2?
Thanks.

iMo:
You may a) calculate that (you have got all the data needed), or, b) your PCB design tool tells you that.
a) is a quite difficult exercise, b) would cost you an arm and a leg..

metebalci:

--- Quote from: iMo on February 26, 2024, 02:21:30 pm ---You may a) calculate that (you have got all the data needed), or, b) your PCB design tool tells you that.
a) is a quite difficult exercise, b) would cost you an arm and a leg..

--- End quote ---

What is the solution for (b) ? an EM solver or something else

metebalci:

--- Quote from: john23 on February 26, 2024, 02:09:03 pm ---Hello, given the pcb shown below, how do i know from the route from 1 to 2 what parasitic capacitance i will get into the input of the opamp located at point 2?
Thanks.

--- End quote ---

Does the PCB have two layers ?

john23:
yes two layers.

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