March 2014
Intermediate to advanced
280 pages
8h 8m
English
Content preview from Fundamentals of Power Integrity for Computer Platforms and Systems
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Chapter 5Power Integrity Time-Domain and Boundary Analysis
In Chapter 4, the components of the power distribution network were reviewed and then the impedances were analyzed to determine where resonances occur across the frequency bands. However, the question of what comprises a good performing network was left unanswered. In this chapter, the time-domain effects of such distributions are addressed. Voltage droop behavior within these networks is also examined along with the boundaries of the voltage droop.
Generating the network components and learning how to analyze them is an important first step in understanding the PDN. This chapter broadens the circuit structure to include the loads and sources in addition to the PDN. Thus, the attention is turned to the time-domain along with the introduction of some basic modeling tools that help the PI engineer analyze problems in both the transient and steady-state regions. The chapter begins with the basics on how to model the sources and loads in a system and then turns to examining the behavior of the networks in the time-domain. This type of analysis lends itself toward using programs such as SPICE and MathCad for circuit and mathematical modeling, respectively. Therefore, many of the examples and analyses will be making use of such tools. The reader should have a reasonable understanding of how to use SPICE [1]. In this book, PSPICE [2, 3] is used for circuit modeling.
5.1 Source and Load Modeling
In Chapter 2, various power ...
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