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This thesis studies the application of physics-based via models for an efficient modeling of large via arrays in multilayer PCBs. Three main aspects are addressed: the study and improvement of the modeling accuracy, the study and improvement of the model efficiency, and the application of the model in a systematic evaluation of via array design alternatives for high speed links. With regard to the modeling accuracy, the application of an improved local field model is identified as a suitable way to improve the model accuracy for the simulation of via arrays, especially at frequencies above 20 GHz. With the improved model, an accurate simulation of via arrays with a pitch of 60 mil or larger becomes possible in the frequency range up to 50 GHz. Improvements with regard to the model efficiency lead to a reduction of calculation times which allows to carry out fast design explorations for smaller via arrays on a standard PC. Finally, an approach for a systematic design evaluation is presented which integrates the advantages of the efficient physics-based via model in a larger concept. With the approach, a quantitative comparison of design alternatives becomes possible that takes into account the impact of design changes on both signal integrity and energy efficiency for the complete system.
Buchkauf
Via array modeling for application in fast, energy-efficient digital systems, Sebastian Müller
- Sprache
- Erscheinungsdatum
- 2015
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- Titel
- Via array modeling for application in fast, energy-efficient digital systems
- Sprache
- Englisch
- Autor*innen
- Sebastian Müller
- Verlag
- Shaker
- Erscheinungsdatum
- 2015
- ISBN10
- 3844033602
- ISBN13
- 9783844033601
- Kategorie
- Skripten & Universitätslehrbücher
- Beschreibung
- This thesis studies the application of physics-based via models for an efficient modeling of large via arrays in multilayer PCBs. Three main aspects are addressed: the study and improvement of the modeling accuracy, the study and improvement of the model efficiency, and the application of the model in a systematic evaluation of via array design alternatives for high speed links. With regard to the modeling accuracy, the application of an improved local field model is identified as a suitable way to improve the model accuracy for the simulation of via arrays, especially at frequencies above 20 GHz. With the improved model, an accurate simulation of via arrays with a pitch of 60 mil or larger becomes possible in the frequency range up to 50 GHz. Improvements with regard to the model efficiency lead to a reduction of calculation times which allows to carry out fast design explorations for smaller via arrays on a standard PC. Finally, an approach for a systematic design evaluation is presented which integrates the advantages of the efficient physics-based via model in a larger concept. With the approach, a quantitative comparison of design alternatives becomes possible that takes into account the impact of design changes on both signal integrity and energy efficiency for the complete system.