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PSPICE simulation of transient responses of transducers and spike generators included in E/R ultrasonic systems

AuthorsRuiz Toledo, Abelardo CSIC; Ramos, Antonio; San Emeterio, José Luis CSIC; Sanz Sánchez, Pedro Tomás
KeywordsE/R Ultrasonic Systems
Pulsed driving-receiving systems
Piezoelectric thickness-mode transducers
Electronic component behaviour
Driving/receiving electronics
Issue DateSep-2002
PublisherSociedad Española de Acústica
CitationForum Acusticum Sevilla 2002. Ultrasonics ; ULT-04-016
AbstractThe global performance of ultrasonic emitting-receiving stages is influenced by the behavior of their respective electronic elements. In typical pulsed driving-receiving systems, present in commercial equipment employed in NDE or medical imaging, the electronic components notably condition the characteristics of the mechanical and electrical outputs under different operating conditions. This paper presents some PSPICE electric diagrams representing the piezoelectric transduction and the spike generation included in E/R ultrasonic systems. The modeling of non-linear driving electronic stages is considered. These diagrams are applied in the computer simulation of different driving, emission and/or reception ultrasonic processes taking into account several working situations. The influence of some reactive and resistive electronic components included in these arrangements and their effects on the driving spike waveforms and the E/R ultrasonic responses, are evaluated.
Description6 pages, 9 figures.-- PACS nrs.: 43.35, 43.38.-- Communication presented at: Forum Acusticum Sevilla 2002 (Sevilla, Spain, 16-20 Sep 2002), comprising: 3rd European Congress on Acoustics; XXXIII Spanish Congress on Acoustics (TecniAcústica 2002); European and Japanese Symposium on Acoustics; 3rd Iberian Congress on Acoustics.-- Special issue of the journal Revista de Acústica, Vol. XXXIII, year 2002.
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