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Burn-in & Test Socket Workshop - BiTS Workshop

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Equivalent Circuit Model<br />

0.5mm Pitch BGA Adjacent Contact ADS Equivalent<br />

Circuit Model vs. Measured <strong>Test</strong> Data<br />

0<br />

-10<br />

Return Loss (dB)<br />

-20<br />

-30<br />

-40<br />

-50<br />

-20 dB Measured Loss Po<strong>in</strong>t @ 2.95 GHz<br />

ADS Return Loss Model for 0.5mm Adjacent BGA Contact From Equivalent<br />

Circuit<br />

Measured <strong>Test</strong> Data from Giga<strong>Test</strong> Labs for 0.5mm Adjacent BGA<br />

Contact (Non-Optimum pads)<br />

-60<br />

0 1 2 3 4 5 6 7 8 9 10<br />

Frequency (GHz)<br />

18

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