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writing_lab_reports - ECE137AB: Writing Preliminary Design...

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ECE137AB: Writing Preliminary Design reports and Lab Reports Mark Rodwell, ECE Dept, UCSB January 24, 2003 Background Engineering design is a balance of theory and testing. The IC design flow is as follows. The circuit is first designed on-paper and verified mathematically to the level of accuracy one can do hand calculations. Circuit designs are then verified by computer simulation, making certain that the design meets all specifications over all possible values of transistor parameters (Maximum and minimum values of beta, power supply voltage, temperature, resistor values, …). At this point the design team will meet with supervision to verify the design process. Only then is the IC design committed to a mask and initial lots fabricated. After initial lot fabrication, ICs are packaged, and the design engineer spends extensive time testing the IC to ensure that it functions over all conceivable variations of conditions…again supply voltage, process technology minimum and maximum values for
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This note was uploaded on 08/06/2008 for the course ECE 137AB taught by Professor Rodwell during the Winter '08 term at UCSB.

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writing_lab_reports - ECE137AB: Writing Preliminary Design...

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