Dispersive Delay Lines Using Ultrasonic Surface Waves

R. H. Tancrell; M. B. Schulz; H. H. Barrett; L. Davis; M. G. Holland

doi:10.1109/PROC.1969.7202

Dispersive Delay Lines Using Ultrasonic Surface Waves

R. H. Tancrell, M. B. Schulz, H. H. Barrett, L. Davis, M. G. Holland

Medical Imaging

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Abstract

Surface ultrasonic wave delay lines with dispersive time-frequency characteristics have been made using interdigital electrode arrays with variable element spacings on LiNbO3. The devices operate at 60 MHz with low insertion loss and a 3-dB bandwidth over 25 percent. A model has been devised which accurately predicts the phase and amplitude characteristics of the devices. Weighting” the array to improve the phase characteristic is described.

Original language	English (US)
Pages (from-to)	1211-1213
Number of pages	3
Journal	Proceedings of the IEEE
Volume	57
Issue number	6
DOIs	https://doi.org/10.1109/PROC.1969.7202
State	Published - Jun 1969

ASJC Scopus subject areas

Electrical and Electronic Engineering

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10.1109/PROC.1969.7202

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title = "Dispersive Delay Lines Using Ultrasonic Surface Waves",

abstract = "Surface ultrasonic wave delay lines with dispersive time-frequency characteristics have been made using interdigital electrode arrays with variable element spacings on LiNbO3. The devices operate at 60 MHz with low insertion loss and a 3-dB bandwidth over 25 percent. A model has been devised which accurately predicts the phase and amplitude characteristics of the devices. Weighting” the array to improve the phase characteristic is described.",

author = "Tancrell, {R. H.} and Schulz, {M. B.} and Barrett, {H. H.} and L. Davis and Holland, {M. G.}",

year = "1969",

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AU - Schulz, M. B.

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AU - Davis, L.

AU - Holland, M. G.

PY - 1969/6

Y1 - 1969/6

N2 - Surface ultrasonic wave delay lines with dispersive time-frequency characteristics have been made using interdigital electrode arrays with variable element spacings on LiNbO3. The devices operate at 60 MHz with low insertion loss and a 3-dB bandwidth over 25 percent. A model has been devised which accurately predicts the phase and amplitude characteristics of the devices. Weighting” the array to improve the phase characteristic is described.

AB - Surface ultrasonic wave delay lines with dispersive time-frequency characteristics have been made using interdigital electrode arrays with variable element spacings on LiNbO3. The devices operate at 60 MHz with low insertion loss and a 3-dB bandwidth over 25 percent. A model has been devised which accurately predicts the phase and amplitude characteristics of the devices. Weighting” the array to improve the phase characteristic is described.

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Dispersive Delay Lines Using Ultrasonic Surface Waves

Abstract

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