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The considerations and challenges, involved in designing a board for SerDes characterization, are analyzed. Analysis of the sources for the distortion of the signal transmitted through the characterization board, as well as measures to mitigate these sources are proposed.
The waveforms of a signal transmitted through single-ended on-die transmission lines, implemented by standard metal layers of a CMOS 45 nm technology node, have been experimentally studied. The influence of the active loss level of the lines, as well as of the impedance mismatch between the transmission line and its driver upon the signal distortion, and particularly upon the inter-symbol interference,...
This paper analyzes the application of wideband channel properties in the radio planning of wideband wireless networks. The definition and prediction of delay spread (DS) and angular spread (AS) are first discussed. A wideband high-resolution measurement campaign is then described which was conducted in an urban area using a 3-D high-resolution channel sounder. The comparison between measured and...
The testing approach described in the paper proposes to reduce the time required for HSSI characterization by testing the devices according to specially developed PHY specifications, instead of direct testing of all electrical parameters required by the supported standards, and introducing an automated testing setup, based on an automated active probing solution.
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