DeepAI
Log In Sign Up

Evaluation of Delay Uncertainty in PCB Interconnects Due to Fiber Weave Effect

10/11/2022
by   Alex Manukovsky, et al.
0

Delay Deviation Exceedance (DDE) and Differential Skew Exceedance (DSE) measures are proposed to quantify delay uncertainty in single-ended and differential PCB interconnects arising from Fiber Weave Effect (FWE). DDE and DSE are constructed with 3D EM analysis of traces over inhomogeneous dielectric with glass fiber bundles in resin. Measurements or 3D EM models for FWE are usually used for observations of delay or impedance dependency on position of traces over fiber bundles with the purpose to find the worst case scenario. This paper turns the results of 3D EM analysis into probabilistic measures of possible delay or skew uncertainty - probability to have delay deviation in single-ended interconnects over allowed limit (DDE measure) or to have skew over allowed limit in differential interconnects (DSE measure). The introduced measures allow formalizing the laminate selection process for parallel as well as for serial PCB interconnects.

READ FULL TEXT

page 2

page 3

page 4

page 5

08/09/2021

The truncated EM method for stochastic differential delay equations with variable delay

This paper mainly investigates the strong convergence and stability of t...
10/17/2019

Nearly unstable family of stochastic processes given by stochastic differential equations with time delay

Let a be a finite signed measure on [-r, 0] with r ∈ (0, ∞). Consider a ...
07/28/2019

Equivalence of pth moment stability between stochastic differential delay equations and their numerical methods

In this paper, a general theorem on the equivalence of pth moment stabil...
01/10/2013

Similarity Measures on Preference Structures, Part II: Utility Functions

In previous work citeHa98:Towards we presented a case-based approach to ...
10/29/2015

My Reflections on the First Man vs. Machine No-Limit Texas Hold 'em Competition

The first ever human vs. computer no-limit Texas hold 'em competition to...
11/16/2021

A Simple Hybrid Model for Accurate Delay Modeling of a Multi-Input Gate

Faithfully representing small gate delay variations caused by input swit...