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Separation of high and low frequency behavior in non-linear circuit simulation, excited with modulated signals
KTH, Superseded Departments, Electrical Systems.
2000 (English)In: IEEE transactions on magnetics, ISSN 0018-9464, E-ISSN 1941-0069, Vol. 36, no 4, 968-970 p.Article in journal (Refereed) Published
Abstract [en]

Exciting nonlinear circuits with modulated signals will generate crossmodulation frequencies. In ordinary simulation techniques this makes time stepping methods a necessity, In the case of EMC-testing where the carrier frequency is as high as 2 GHz and the modulating frequency only 1 kHz, the simulation time will be extremely long. This paper presents Time Domain Frequency Separation (TDFS), a method,where the high and low frequency behavior is calculated separately to decrease the computation time. In a simulation made with Saber the calculation took approximately fourteen hours, and with TDFS in Matlab two minutes.

Place, publisher, year, edition, pages
2000. Vol. 36, no 4, 968-970 p.
Keyword [en]
electro magnetic compatibility, time stepping method, nonlinearities
URN: urn:nbn:se:kth:diva-20125ISI: 000090067900076OAI: diva2:338818
QC 20100525Available from: 2010-08-10 Created: 2010-08-10Bibliographically approved

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Engdahl, Göran
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