Samtec and Teraspeed Consulting presented several papers at DesignCon 2015. The first is “Optimizing Symmetry In Open Pin Field Designs.”
This paper presents a process for analyzing open field array structures. Various modes of propagation and coupling within the array of conductors are studied. We find that, counter intuitively, the use of additional ground structures can be detrimental to performance. It is demonstrated that by careful use of symmetry, high signal density can be achieved with good signal integrity and resonance free performance to at least 40 GHz.
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