Power And Noise Integrity For Analog/Mixed Signal Designs

Why the existing approaches to power supply variation and noise don’t work anymore…and what to do about that.

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The convergence of advance process technology, increasing levels of integration, and higher operating frequencies pose considerable challenge to IP designers whose circuits are required to function in variety of conditions. Full-custom and mixed signal circuit designers ensure that their circuits will function by simulating for various operating conditions (PVT, input stimuli, etc). One key aspect for the reliable operation of these complex circuits is the quality of the voltage supply they receive. However, it is becoming increasingly apparent that traditional and existing methods of considering power supply variation and noise are grossly inadequate and do not consider the multiple factors that contribute to power and ground supply noise.

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