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Electrical Performance of High Speed Signaling in Coupled Microstrip Lines

From CST - Computer Simulation Technology

Differential (DIFF) transmission lines are generally considered to be one of the most commonly used passive interconnect structures for high speed data transmission. Typically there are two configurations of DIFF transmission lines used to transfer signals in printed circuit boards (PCBs) and/or packages: stripline and microstrip line. A stripline represents a guiding structure which provides a pure transverse electromagnetic (TEM) mode of propagation. The transmission line is shielded between two metal layers (typically the power and ground plane), and therefore also provides excellent performance in terms of EMC/EMI.

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