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  Tutorial: Broadband Signal-Processing Toolkit for Linux Red Hat

A software toolkit containing an advanced 2D field solver and signal-processing facility for extracting broadband transmission line properties.

Tutorial Details:

What is IBM Broadband Transmission-line Characterization Using Short Pulse Propagation?

IBM uses printed-circuit board materials in its servers that are incompletely or erroneously characterized by typical fabricators. This problem results in IBM's having to perform extensive recharacterization in order to extract the frequency-
dependent properties of such structures so that accurate predictions of system performance can be made. This toolkit can be used to perform accurate extraction of broadband material properties and it thus reduces or eliminates design errors prior to product manufacturing. In addition, this technology is suitable for sharing with university educators for the purpose of training future engineers to perform complete material characterization of representative, multilayer wiring structures. Such broadband, causal extraction techniques cannot be obtained with other network analyzer-based techniques that are routinely employed in the industry. Broadband properties are essential for generating accurate models for digital signal simulations that have random-pattern data strings. Enforcement of causality is essential for >10GHz bandwidth signals.

The two components of this toolkit are CZ2D and Gamma-Z. CZ2D is a two-dimensional, electromagnetic modeling tool that has built-in facilities to guarantee causal results over wide frequency range. Gamma-Z provides the signal processing capability of the propagated short-pulses launched on very simple test wiring.

CZ2D is a two-dimensional, "method-of-moment"-based field solver that calculates resistance (R), inductance (L), capacitance (C), and conductance (G) per unit length for any transmission line structure, such as printed circuit board interconnections. Frequency-dependent calculation can be made that is guaranteed causal for both R(f)L(f) and C(f)G(f) and for inhomogeneous dielectrics.


 

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Broadband Signal-Processing Toolkit for Linux Red Hat

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Broadband Signal-Processing Toolkit for Linux Red Hat

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