A Hybrid Photonic Crystal Power Ground Layer (H-PCPL) with Broadband Noise Suppression
Date Issued
2007
Date
2007
Author(s)
Chen, Yi-Che
DOI
en-US
Abstract
This thesis focuses on the isolation of power/ground bounce noise (P/GBN) and suppression of simultaneous switching noise (SSN) in high-speed circuits. A hybrid photonic crystal power/ground layer (H-PCPL) is proposed to efficiently eliminate the noise. Based on the previous PCPL design, we use two kinds of photonic crystals to synthesis several bandgaps to form a continuously broad bandgap. A sequence of designing photonic bandgaps is investigated; first we fix the radius of the dielectric discs and vary the lattice constant, which can enhance the photonic bandgap but could not get a continuous stopband. Then we use two types of dielectric discs with different radii. The bandgaps can compensate each other and get a continuous stopband ranging from 3 to 9.6 GHz. Real-frequency gapmap is used here to analyze and estimate the bandgap structure, for the hybrid PCPL. H-PCPL are fabricated on Rogers/RT Duroid 5880 and good agreement is shown between the measurement and simulation results. Two noise isolation structure, H-PCPL and the conventional split power plane, are compared here, and the H-PCPL shows better signal integrity performance than the split power plane besides wider stopband for noise isolation. Demonstration of noise isolation on digital circuits is shown in the last section.
Subjects
光子晶體
同步切換雜訊
信號完整性
電源完整性
photonic crystal
simultaneous switching noise
SSN
power/ground bounce noise
signal integrity
power integrity
noise isolation
Type
thesis
File(s)![Thumbnail Image]()
Loading...
Name
ntu-96-R94942011-1.pdf
Size
23.31 KB
Format
Adobe PDF
Checksum
(MD5):21c268bb65fc5dbf782dbeaacb1692d3