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Modeling and analysis of multichip module power supply planes

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2 Author(s)
Keunmyung Lee ; Hewlett-Packard Co., Palo Alto, CA, USA ; A. Barber

A method that would allow accurate modeling of arbitrarily shaped planes with bypass capacitors has been developed. It is compatible with a SPICE-based modeling method for the rest of the power supply hierarchy and the devices. A modified SPICE is used to accommodate distributed circuits. The distributed circuits are built with microwave analysis software and connected to SPICE by s-parameter files. The modeling process is described and examples of thick and thin-film power supply planes are presented with comparison to measured results. The method is used to explore potential design choices for a large MCM with many simultaneously switching drivers

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IEEE Transactions on Components, Packaging, and Manufacturing Technology: Part B  (Volume:18 ,  Issue: 4 )