Electrical parasitic modeling in SAW RF filters

Author

Caron, Joshua J. ; Malocha, Svetlana

Author_Institution

Sawtek Inc., Apopka, FL, USA

Volume

1

fYear

2002

fDate

8-11 Oct. 2002

Firstpage

361

Abstract

Parasitic phenomena affecting the frequency response of SAW RF filters are modeled with a variety of techniques. Inter-IDT electrode capacitance is modeled with a two-dimensional charge distribution analysis. Capacitance among arbitrary die structures, including bus bars and bond pads, is modeled with an electrostatic boundary element formulation. Inductance and resistance of these structures are modeled using a filament mesh analysis technique under the magnetoquasistatic approximation.

Keywords

boundary-elements methods; interdigital transducers; radiofrequency filters; surface acoustic wave filters; SAW RF filters; arbitrary die structures; bond pads; bus bars; electrical parasitic modeling; electrostatic boundary element formulation; filament mesh analysis technique; frequency response; inductance; inter-IDT electrode capacitance; magnetoquasistatic approximation; resistance; two-dimensional charge distribution analysis; Bars; Bonding; Electrodes; Electrostatics; Filters; Frequency response; Magnetic analysis; Parasitic capacitance; Radio frequency; Surface acoustic waves;

fLanguage

English

Publisher

ieee

Conference_Titel

Ultrasonics Symposium, 2002. Proceedings. 2002 IEEE

ISSN

1051-0117

Print_ISBN

0-7803-7582-3

Type

conf

DOI

10.1109/ULTSYM.2002.1193420

Filename

1193420