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Numerical method is used to investigate the glass weave effects on via coupling and trace transmission properties. Studies indicate that a simple two-dimensional periodic structure is accurate enough for via coupling simulations while more complicated three-dimensional glass-weave structures have to be used for studies of trace transmission properties. Analytical formulas are provided to estimate...
A novel type of miniature bandpass frequency selective surface (FSS) based on fractal antenna–filter–antenna (AFA) array is proposed. The AFA-based FSSs exhibit superior frequency selectivity and have lower profile than conventional FSSs. However, they commonly occupy considerably large unit sizes. Fractal geometries are utilized in this letter to reduce the unit cell of AFA-based FSSs. The iteration...
Crosstalk among vias is a critical problem in high-speed digital circuits, deteriorating signal quality and increasing jitter, especially when circuit density is high. Underlying mechanism of crosstalk among vias is investigated in this paper. Using a physics-based equivalent circuit model, crosstalk as a function of various geometrical parameters, including parallel plane pair thickness, layer count...
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