Marketplace Reports - BiTS Workshop

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T H I R T E E N T H A N N U A L2012Marketplace ReportsDC Specification: Conductance• What determines the published value?– When details are provided, two techniques arefound:• Current resulting in a particular temperature rise: e.g.20° C3/2012 Specsmanship 9DC Specification: Conductance• What determines the published value?– When details are provided, two techniques arefound:• Current just less than the amount resulting in amechanical failure3/2012 Specsmanship 10Paper #252012 BiTS Workshop ~ March 4 - 7, 2012
T H I R T E E N T H A N N U A L2012Marketplace ReportsRF Specification: Inductance• Why is inductance important?– Important to balance with capacitance to achievedesired characteristic impedance• Typically 50Ω for single-ended, 100Ω for differential• “Lower is better” not always true for maximum bandwidth• Bandwidth specification is a better indicator of RFperformance• Inductance is important to understand power delivery– For power delivery, lower IS better3/2012 Specsmanship 11RF Specification: Inductance• How is inductance measured or derived?– Inductance is calculated after taking an S 11measurement through the contactor, shortedon one side– Inductance is calculated by solving the formulaZ = 2πfL for L (L = Z / 2πf )– This includes the inductance of the return path3/2012 Specsmanship 12Paper #262012 BiTS Workshop ~ March 4 - 7, 2012
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Marketplace Reports - BiTS Workshop

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