Simulation of electromagnetic effects in SAW RF filters

Simulation of electromagnetic effects in SAW RF filters

The characteristics of surface acoustic wave (SAW) filters are influenced by the electromagnetic properties of the immediate environment of the acoustically active structures. This paper presents a model for electromagnetic effects caused by the filter environment. Here, the filter environment compr...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Pitschi, F.M., Nossek, J.A.
Format: Tagungsbericht
Sprache:eng
Schlagworte:
Capacitance
Circuit simulation
Dielectrics
Electromagnetic modeling
Equivalent circuits
Microstrip
Pins
Radio frequency
SAW filters
Surface acoustic waves
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Beschreibung
Zusammenfassung:The characteristics of surface acoustic wave (SAW) filters are influenced by the electromagnetic properties of the immediate environment of the acoustically active structures. This paper presents a model for electromagnetic effects caused by the filter environment. Here, the filter environment comprises the setup surrounding the SAW structures, e.g., pads, bonds, pins, etc. The components, which are particularly relevant to the performance of SAW filters, are identified. Measurement and simulation are compared showing good agreement with the characteristics of the filter.
ISSN:0149-645X
2576-7216
DOI:10.1109/MWSYM.1997.602923