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| Circuit board impedance control, what way is used in genernal test? What is TDR? |
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General characteristic impedance test, which is estimated in the software testing standards after the circuit board peripheral circuit design, construction and after completion point line alignment length analysis .TDR (time domain instrument back to shoot), is a reflection of RF test equipment. impedance related factors are: the dielectric constant of the circuit sheet, line width, line spacing, line thickness, material thickness, number of layers structure, and so on, also can effect it.
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