Žilka, Zdeněk - Výsledky hledání - Digitální repozitář

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	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. Úplný záznam
	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. Úplný záznam
	The contour plot as model of complex characteristics of linear system Braun, Jaromír ; Žilka, Zdeněk ; Berka, Zbyněk The objective of this paper has been to illustrate the use of the contour plot in various aspect of analysis and design of dynamic systems as filters, correctors or transmission lines in frequency domain. An illustrative example complex group-delay function have been evaluated by MATCAD program. Úplný záznam
	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. Úplný záznam
	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. Úplný záznam
	The scattering model of twoport based on topological methods Braun, Jaromír ; Žilka, Zdeněk ; Berka, Zbyněk The aim of this work is to generalize topological techniques in order to apply them to scattering model of twoport. Úplný záznam
	The symbolic method of network analysis based on topological methods Braun, Jaromír ; Žilka, Zdeněk ; Berka, Zbyněk In the paper the regular skeleton of graph is defined and the generalized formula for evaluation of network determinants is presented. This reqiure explicit listing of the all regular multiskeletons of connected multigraph. The computer programs NTW001 and NTWTOOBV based on this methods will be presented. Úplný záznam
	Interconnections discontinuities in electronic systems and signal integrity faults Žilka, Zdeněk ; Berka, Zbyněk ; Braun, Jaromír The paper deals with the influence of discontinuities in interconnecting traces, vias, pads, connectors, parasitics of the IC packages and all other passive interconnecting elements in multi-layer printed-circuit boards (PCB) and multichip modules (MCM) on the signal integrity (SI) of complex mixed-signal electronic system. Simple models, rules and guidelines suitable for human handling are introduced. Úplný záznam
	Derivation of the network properties from the energetic model of .sub.m-./sub. port Braun, Jaromír ; Žilka, Zdeněk ; Berka, Zbyněk Flow of energy in the complex systems is the basic phenomenon of real communication systems. This phenomenon have to be taken into account in the theory of "black box model" of arbitrary dynamic system. Úplný záznam
	Interconnections in electronic systems and signal integrity faults Žilka, Zdeněk ; Berka, Zbyněk ; Braun, Jaromír Signal integrity can be verified before the availability of the actual produced system on its accurate virtual prototype (VP). In this paper simple models are described which are particularly useful when the design is amended after the VP verification failed. Úplný záznam

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