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Solutions for Causal Modeling and A Technique for Measuring Causal Broadband Dielectric Properties
June 24, 2009 |Estimated reading time: Less than a minute
This paper, written by Chad Morgan of Tyco Electronics and presented at DesignCon, addresses specific dielectric and conductor material relationships necessary to produce consistently causal and accurate electrical component models. The need for causal component models is highlighted by showing the types of digital waveforms that can result from simulating structures non-causally. A brief discussion of causal relationships that must be maintained between dielectric conductance and capacitance as well as conductor resistance and inductance is given. Ultimately, a measurement technique is outlined for producing causal permittivity data that is accurate across a broad frequency band. Final model data is provided to verify the accuracy and causality of the measurement method. Click here to read.