Time domain analysis method for transient response of lossy nonuniform multi-conductor transmission lines

A multi-conductor transmission line and transient response technology, applied in special data processing applications, instruments, electrical digital data processing, etc., can solve problems affecting the accuracy of transient response analysis, unable to analyze transmission lines, and divergence of analysis results
CN102411647BInactive Publication Date: 2013-06-26XIDIAN UNIV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
XIDIAN UNIV
Publication Date
2013-06-26
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention provides a time domain analysis method for a transient response of lossy nonuinform multi-conductor transmission lines and aims to solve the problem that the coupling among the lossy nonuniform multi-conductor transmission lines interferes with the computation in the field of integrity of electronic circuit signals. The method comprises the following steps of: performing differential dispersion on space differential operators in an electric wave equation; and integrating time differential operators in the electrical wave equation by a trapezoidal integration method to ensure that the oscillation, which is caused by a central difference method, of a computed result can be eliminated effectively, voltage and current transient response waveforms of any point on the transmissionlines can be acquired; and the transient analysis of the transmission lines in a longer time period is effective, the waveforms can be analyzed in a longer duration without large errors, and the coupled transmission lines are not needed to be decoupled when a model of the transmission lines is built. By the method, the computational load is reduced, and the simulation efficiency is improved. The method can be used for analyzing the transient response of the lossy nonuinform multi-conductor transmission lines.
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Description

technical field

[0001] The invention belongs to the field of signal integrity of electronic circuits, and relates to electromagnetic compatibility of high-speed circuits, in particular to coupling interference between transmission lines, in particular to a lossy non-uniform multi-conductor transmission line transient response time domain analysis method, which can be used to analyze lossy non-uniform multi-conductor transmission lines. The transient response of non-uniform multi-conductor transmission lines provides theoretical guidance for reducing interconnect effects in circuits, thereby ensuring the signal integrity of circuits. Background technique

[0002] As VLSI feature size decreases, rise time decreases, integration scale increases, and clock frequency increases, interconnect effects such as delay, reflection, distortion, and crosstalk caused by interconnect lines can affect circuit performance metrics , makes the system unstable, and even affects the normal operat...

Claims

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