Tabbed routing modeling for signal integrity analysis and design of high-speed signaling channel초고속 신호 전송 채널의 신호 무결성 분석 및 설계를 위한 탭 라우팅 모델링

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Recently, due to the importance of memory system with high-speed, SI issues are getting important for the high-speed signaling channels. Thus, it is necessary to reduce the crosstalk noise in high-speed signaling channels. In the channel routing area, the tabbed routing pattern is used to mitigate far-end crosstalk (FEXT), and the electrical length is controlled with a time domain reflectometer (TDR) and time domain transmission (TDT). However, unlike traditional channels having uniform width and space, the width and space of tabbed routing changes by segment, and the capacitance and inductance values of tabbed routing also change. In this paper, a tabbed routing equivalent circuit modeling method is proposed by using the segmentation approach. The proposed model is verified using 3D EM simulation and measurement results. Based on the calculated inductance and capacitance parameters, we analyzed the insertion loss, FEXT, and self-impedance in the frequency domain, and TDT and FEXT in the time domain, by comparing the values of these metrics with and without tabbed routing. Using the proposed tabbed routing model, we analyzed tabbed routing with variations of design parameters based on self- and mutual-capacitance and inductance. In addition, the tabbed routing is compared and analyzed with and without tabs with memory channel operating condition. In last, tabbed routing design optimization method using Genetic algorithm based on the proposed modeling is proposed and analyzed. In final, the optimal tabbed routing from proposed optimization process is applied to the high-speed signaling channel and compared with conventional high-speed signaling channel in terms of signal integrity.
Ahn, Seungyoungresearcher안승영researcher
한국과학기술원 :조천식모빌리티대학원,
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학위논문(박사) - 한국과학기술원 : 조천식모빌리티대학원, 2022.8,[vi, 67 p. :]


Signal integrity▼aHigh-speed signaling channel▼aTabbed routing▼aFar-end crosstalk▼aCharacteristic impedance▼aGenetic algorithm▼aOptimization; 신호 무결성▼a초고속 신호 전송 채널▼a탭 라우팅▼a원단 누화 잡음▼a특성 임피던스▼a제네틱 알고리즘▼a최적화

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