High-speed PCBs have become much more common during the past five years. However, special challenges arise due to unanticipated high-speed issues. Some relate to manufacturing or processes, while others are pure component- or fabrication-based. In particular, highly complex, highly integrated components like FPGAs need close scrutiny. Also, it’s important to note that PCBs may use mixed materials like Rogers and FR-4 cores in order to incorporate those high speeds.
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