A causal model for linear RF systems developed from frequency-domain measured data
Condon, Marissa and Ivanov, Rossen and Brennan, Conor (2005) A causal model for linear RF systems developed from frequency-domain measured data. IEEE Transactions on Circuits and Systems II: Express Briefs, 52 (8). pp. 457-460. ISSN 1057-7130
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With the ever-growing complexity of interconnect networks, models developed from measured data or data from 3-D electromagnetic simulators are increasingly becoming essential. It is to this end that the current contribution is directed. In particular, it focuses on the development of a model via a Fourier series expansion (FSE) approach. Its primary advantage is that the response in the time domain can be explicitly obtained in a simple form for an arbitrary input using only a set of FSE coefficients. Also, it guarantees causality without requiring a numerical implementation of a Hilbert transform. The end result is a causal and stable time-domain representation of a system that may subsequently be used in a time-domain simulator such as SPICE.
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