Inductive Properties of On-Chip Power Distribution Grids
The inductive properties of power distribution grids are investigated in this chapter. As discussed in Section 1.3, the inductance of power grids is an important factor in determining the impedance characteristics of a power distribution network operating at high frequencies.
The chapter is organized as follows. In Section 9.1, the inductive characteristics of a current loop formed by a power transmission circuit are established. The analysis approach is outlined in Section 9.2. The three types of grid structures considered in this study and analysis setup are described in Section 9.3. The dependence of the grid inductance characteristics on the line width is discussed in Section 9.4. The differences in the inductive properties among the three types of grids are reviewed in Section 9.5. The dependence of the grid inductance on the grid dimensions is described in Section 9.6. The chapter concludes with a summary.
KeywordsPower Grid Mutual Coupling Line Pair Inductive Property Loop Inductance
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