Accurate modeling of transmission lines and vias in PCB design hinges on obtaining reliable dielectric material properties. Among these properties, the dielectric constant (Dk) stands out as a critical factor. Utilizing incorrect Dk values can introduce errors in impedance calculations, posing potential risks to PCB yield and performance. Complicating matters further is the anisotropic nature of fiberglass reinforced laminates commonly used in PCB construction. This anisotropy results in variations in the effective Dk depending on the direction of signal propagation relative to the X, Y, or Z axis. This webinar offers an in-depth exploration of dielectric anisotropy, its implications for transmission line and via modeling, and the possible performance ramifications of incorporating erroneous values into the model.

This webinar is presented by Bert Simonovich.

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