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Vol. 221, Issue 3, March 2018, pp. 23-29




Modelling of PZT/PVDF Ultrasonic Transducer with VHDL-AMS for Medical Applications

* Toufik Merdjana and Abedalhafid Chaabi

Department of Electronic Engineering University of constantine1, Constantine 25000, Algeria
Tel.: 00213790702574

* E-mail: merdjana_toufik@umc.edu.dz


Received: 16 February 2018 /Accepted: 16 March 2018 /Published: 31 March 2018

Digital Sensors and Sensor Sysstems


Abstract: The one indispensable part of a diagnostic imaging system is the transducer. Multi-resonance transducer using lead zirconate titanate piezoelectric ceramics (PZT) was designed several years ago for dual Doppler and B mode use. As polymer (PVDF) material being popular in medical ultrasound, there is possibility of combining the two materials into a single structure in order to obtain a multi-frequency transducer for different clinical diagnostic. For this study, the model is implemented with the VHDL-AMS behavioral language. The simulations approaches presented in this work are based on the electrical KLM model and its parameters are deduced from the transducer electroacoustic characteristics.


Keywords: Modeling, Ultrasonic transducer, Ceramic, Polymer, VHDLAMS.


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