{"title":"基于物理的PCB建模中外部边缘电容的有效计算","authors":"A. Hardock, David Dahl, H. Bruns, C. Schuster","doi":"10.1109/SAPIW.2015.7237396","DOIUrl":null,"url":null,"abstract":"This paper presents an efficient computation of the static capacitance related to external fringing fields of vias (plated through holes) in printed circuit boards (PCBs). For this purpose, a numerical approach based on an integral equation for the surface charge density of axially symmetric geometries is used. The proposed method is validated with a commercial quasi-static tool. The capacitance model is applied to the modeling of typical PCB via stubs in the frequency range between 1 and 40 GHz. The results from the physics-based modeling are confirmed with a full-wave solver.","PeriodicalId":231437,"journal":{"name":"2015 IEEE 19th Workshop on Signal and Power Integrity (SPI)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2015-05-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"4","resultStr":"{\"title\":\"Efficient calculation of external fringing capacitances for physics-based PCB modeling\",\"authors\":\"A. Hardock, David Dahl, H. Bruns, C. Schuster\",\"doi\":\"10.1109/SAPIW.2015.7237396\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"This paper presents an efficient computation of the static capacitance related to external fringing fields of vias (plated through holes) in printed circuit boards (PCBs). For this purpose, a numerical approach based on an integral equation for the surface charge density of axially symmetric geometries is used. The proposed method is validated with a commercial quasi-static tool. The capacitance model is applied to the modeling of typical PCB via stubs in the frequency range between 1 and 40 GHz. The results from the physics-based modeling are confirmed with a full-wave solver.\",\"PeriodicalId\":231437,\"journal\":{\"name\":\"2015 IEEE 19th Workshop on Signal and Power Integrity (SPI)\",\"volume\":\"1 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2015-05-10\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"4\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2015 IEEE 19th Workshop on Signal and Power Integrity (SPI)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/SAPIW.2015.7237396\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2015 IEEE 19th Workshop on Signal and Power Integrity (SPI)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/SAPIW.2015.7237396","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Efficient calculation of external fringing capacitances for physics-based PCB modeling
This paper presents an efficient computation of the static capacitance related to external fringing fields of vias (plated through holes) in printed circuit boards (PCBs). For this purpose, a numerical approach based on an integral equation for the surface charge density of axially symmetric geometries is used. The proposed method is validated with a commercial quasi-static tool. The capacitance model is applied to the modeling of typical PCB via stubs in the frequency range between 1 and 40 GHz. The results from the physics-based modeling are confirmed with a full-wave solver.
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