NDLI: Modeling and optimization of high-frequency ultrasound transducers

Content Provider	IEEE Xplore Digital Library
Author	Lockwood, G.R. Foster, F.S.
Copyright Year	1986
Abstract	Obtaining an accurate transducer model for a high-frequency transducer can be troublesome using traditional models, such as the KLM model, since it is often difficult to measure precisely the piezoelectric, dielectric, and mechanical properties of the transducer. This paper describes an alternative method of modeling transducers using network theory. The network theory model for a transducer is determined from a measurement of the transducer impedance in water and the pulse-echo response of the system for a given electrical source and load. A discussion of how this model can be used to optimize the design of an electrical matching circuit is given. This method is illustrated by designing a two-element transmission line matching circuit for a miniature 53 MHz transducer. Excellent agreement between the network model prediction and the experimental response is obtained.<>
Starting Page	225
Ending Page	230
Page Count	6
File Size	570059
File Format	PDF
ISSN	08853010
Volume Number	41
Issue Number	2
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1994-03-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Ultrasonic imaging Ultrasonic transducers Piezoelectric transducers Dielectric measurements Pulse measurements Circuits Mechanical variables measurement Ultrasonic variables measurement Mechanical factors Impedance measurement
Content Type	Text
Resource Type	Article
Subject	Acoustics and Ultrasonics Instrumentation Electrical and Electronic Engineering

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