National Repository of Grey Literature 9 records found  Search took 0.01 seconds. 
Modeling of differential circuits by s-parameters for signal integrity evaluation
Žilka, Zdeněk ; Berka, Zbyněk ; Braun, Jaromír
Scattering parameters /s-parameters/ are used for evaluation of signal integrity in the mixed-signal systems /analog and digital/ with high bandwidth and fast edge rates. In the paper a mixed-mode model of differential circuit and its relation to model of single-ended system is described.
Signal integrity enhancement of mixed electronic systems by differential signaling
Žilka, Zdeněk ; Berka, Zbyněk ; Braun, Jaromír
Signal integrity of mixed-signal electronic systems may be considerably enhanced when properly designed differential signaling is used for interconnections. In the paper controlled characteristic impedances, rules of routing and terminating of differential lines are treated.
Modelling of differential line for signal integrity
Žilka, Zdeněk ; Berka, Zbyněk ; Braun, Jaromír
Differential signaling gives high noise immunity, especially for critical signals in highspeed design. Modal decomposition of 3-wire differential transmission line results in two isolated decomposed transmission lines that may be analyzed separately. The overall response of a differential line is then superposition of two modal results.
Modeling the influence of vias on signal integrity
Žilka, Zdeněk ; Berka, Zbyněk ; Braun, Jaromír
The influence of vias on signal integrity in mixed-signal systems manufactured as multi-layer printed circuit boards is investigated. The simpler models and guidelines are introduced, which are intended for the designer to help him in creating virtual prototype computer model of the system.
Sondy pro analýzu integrity signálu
Žilka, Zdeněk ; Berka, Zbyněk ; Braun, Jaromír
Models of probes and their physical and electrical connections to the point of measurements in testing of ultra-high-speed boards fror compliance with signal integrity are provided. The aim is, to minimize the loading effect of the probe and to see the most exact replica of the signal.
Behaviorální modely spojů ve smíšených elektronických soustavách
Žilka, Zdeněk ; Berka, Zbyněk ; Braun, Jaromír
In this paper the possibilities and limitations of interconnection models in the ICM /Interconnected Modeling Specification/ IBIS /Input/Output Buffer Information Specification/ format will be investigated with respect to isolation of signal integrity faults.
Některé otázky spojené s modelováním konektorů vysokorychlostních smíšených analogově číslicových systémů
Žilka, Zdeněk ; Berka, Zbyněk ; Braun, Jaromír
Connectors may be modeled as short multiwire transmission lines. The model of a connector contains only some partial inductances and the missing partial inductances of return paths must be added in order to obtain loop inductances required for the simulation of the system.

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