Doctoral Dissertations

Siqi Bai

Keywords and Phrases

Data center; Networking; PEEC; Power integrity; RLGC parameters; Signal integrity

Abstract

”Signal integrity (SI) and power integrity (PI) are essential for datacenter application. A typical datacenter rack consists of a switch on the top of the rack, servers, and storage units. Three SI/PI related problems for datacenter application are analyzed in this research.

The first topic is analysis on power via induced Quasi-quarter-wavelength resonance to reduce crosstalk. Using an analytical model and 3D full-wave simulation models, a physical explanation for the unexpected resonance in the differential signal pairs is proposed. Considering the difficulty in changing the pin map of the IC-package, several PCB layouts to eliminate the power via induced quasi-quarter-wavelength resonance are proposed without the need to changing the pin map of the package. By applying the proposed methods, the resonance is eliminated and the FEXT is lowered.

In the second study, perturbation analysis are applied to two types of copper twinax cable to study the inhomogeneous dielectric induced modulation.

The last topic is inductance calculation for the power net area fill based on plane- air PEEC method. In this paper, a new partial element equivalent circuit based methods are presented to compute the inductance of parallel plate-like planes and other structures. Examples are given to show that the new method can efficiently compute inductances for multiple IC power vias, power/ground planes, and multiple decoupling capacitors. The proposed model is validated with both full-wave CEM solutions as well as with measurements. Further, the speed and the accuracy for real PCB and package designs are presented to validate the efficiency as well as the accuracy of the proposed approach”--Abstract, page iv.

Advisor(s)

Kim, DongHyun

Committee Member(s)

Fan, Jun, 1971-
Ruehli, Albert E.
Drewniak, James L.
Beetner, Daryl G.
Becker, Dale

Department(s)

Electrical and Computer Engineering

Degree Name

Ph. D. in Electrical Engineering

Publisher

Missouri University of Science and Technology

Publication Date

Spring 2021

Journal article titles appearing in thesis/dissertation

  • Analysis on Power Via Induced Quasi-quarter-wavelength Resonance to Reduce Crosstalk
  • Analysis on Inhomogeneous Dielectric Induced Modulation in Twinax Cable
  • Inductance Calculation for the Power Net Area Fill of Packages and PCBs Based on Plane-Pair PEEC

Pagination

xii, 75 pages

Note about bibliography

Includes bibliographic references.

Rights

© 2021 Siqi Bai, All rights reserved.

Document Type

Dissertation - Open Access

File Type

text

Language

English

Thesis Number

T 11972

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