Design007 Magazine

76 DESIGN007 MAGAZINE I OCTOBER 2018 total portion length increases, more inductive impedance discontinuities are encountered by the signals. This leads to the occurrence of res- onant dips at 10, 30, and 50 GHz for microstrip models. The resonant dip or attenuation becomes intensified with a longer total serpen- tine routing. A similar scenario is experienced by stripline models. Figure 5: TDR (left) and Sdd21 (right) for stripline. Figure 6: TDR (left) and Sdd21 (right) for stripline. Table 4: Results of the eye opening.

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