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Optimization of a piezoelectric crystal driver stage using system simulations
Luleå University of Technology, Department of Computer Science, Electrical and Space Engineering, Embedded Internet Systems Lab.
2000 (English)In: Proceedings: 2000 IEEE Ultrasonics Symposium : October 22 - 25, 2000, Hotel Caribe Hilton, San Juan, Puerto Rico / [ed] Susan C. Schneider, Piscataway, NJ: IEEE Communications Society, 2000, 1049-1054 p.Conference paper (Refereed)
Abstract [en]

Using SPICE, successful efforts have previously been made in modeling piezoelectric devices and their functionality. In this paper the piezoelectric device is simulated together with MOS transistor models. The design of a CMOS piezoelectric crystal driver stage is presented. Measurements on a manufactured chip verify the chosen design approach and the performance predicted by the simulations. In the work, achieving small silicon area while maintaining maximum possible output ultrasound pulse amplitude has been a key criterion. The driver stage has been implemented using a 0.6 μm CMOS process. Measurements and simulations have been performed using PZ-27 crystals without backing. Results clearly show that the performance of a complete system comprising both piezoelectric and electronical devices can be predicted with good accuracy using the proposed SPICE simulation approach.

Place, publisher, year, edition, pages
Piscataway, NJ: IEEE Communications Society, 2000. 1049-1054 p.
Research subject
Industrial Electronics
URN: urn:nbn:se:ltu:diva-40652DOI: 10.1109/ULTSYM.2000.921505Local ID: fd9f6080-69d6-11db-8cbe-000ea68e967bISBN: 0-7803-6365-5OAI: diva2:1014173
IEEE Ultrasonics Symposium : 22/10/2000 - 25/10/2000
Godkänd; 2000; 20061101 (ysko)Available from: 2016-10-03 Created: 2016-10-03Bibliographically approved

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