| The research work carried out in this dissertation focuses on both the modeling ofsimultaneoues switching noise(SSN) on power delivery network(PDN) and the techniquethat etches electromagnetic band-gap(EBG) structures at least in one plane of thepower/ground plane pair in the PDN for high-speed circuits and mixed-signal systems tosuppress noise in an ultrawideband (UWB) frequency range, with emphasis on exploringnovel uniplanar EBG structures with irregular topologies and developed localization designconcept. The major contributions of this dissertation are summarized as follows:1. The transient characteristics of the time domain impedance function and switchingcurrent are introduced in SSN calculation and suppression analysis by the rational function,and a modeling method for SSN are proposed. The periodic characteristics and suppressionmethods of the SSN are investigated based on the periodic characteristics of the timedomain impedance function and switching current.This method overcomes the shortcomingof the traditional PDN design methods which do not consider the transient characteristics.2. The Sierpinski curves are introduced and applied to mitigate SSN in high-speedcircuits. Three novel designs using Sierpinski curves with first three iterations and effectivebridges have been proposed for SSN suppression in power/ground plane pairs. Remarkably,for the first design utilizing the Sierpinski curve with one iteration, it has shown goodperformance which almost covers the whole noise band in UWB applications. In order toimprove the performance of EBG, a new EBG design is proposed. Finally, the designsbased on a localization concept have been proposed, which are not only satisfy the demandsof UWB noise suppression but also keep the quality of signal propagation. |