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EDN Europe's Editor Graham Prophet posts a selection of comments and insights prompted by the many items of industry news and rumour that cross the editorial desk or are gathered on his frequent travels to interviews, press conferences and events around Europe - and further afield - and somehow never find their way to the magazine or the web site, recovering some of the information otherwise lost in the noise level...

Tuesday, May 12, 2009

Analysis with the X-factor

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Did you have a struggle to get your head around the concepts involved in S-parameters, when first you tangled with network analysis? Now you have another set of parameters to wrestle with; X-parameters. The latest edition of Agilent’s Product and Applications Newsletter has a number of links to take you into the world of X-parameters (a name that belongs to Agilent, by the way) which, the newsletter informs us are,
“a mathematical superset of S-parameters meaning that, in the limit of a small signal, X-parameters reduce to S-parameters. X-parameters are applicable to both large-signal and small-signal conditions, for linear and nonlinear components. They are used for characterizing the amplitudes and relative phase of harmonics generated by non-linear components under large input power levels. X-parameters have the potential to do for characterization, modeling, and design of nonlinear components and systems what linear S-parameters do for linear components & systems.”
If that leaves you longing for more, start with the Agilent X-Parameter web page. Good luck!

Related entries in: Analog | Test & Measurement |

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