An improved four focal zone high frequency ultrasound analog beamformer

Author

Stitt, J.P. ; Tutwiler, R.L. ; Shung, K. Kirk

Author_Institution

Appl. Res. Lab., Pennsylvania State Univ., University Park, PA, USA

Volume

2

fYear

2002

fDate

2002

Firstpage

939

Abstract

An improved analog beamformer is described that is used to process the data from a high frequency linear array. This unit is a part of a test system, which has the capability to characterize ultrasound transducer arrays up to 128 elements. Improvements include increasing the accuracy of the dynamic focusing capability and an increased bandwidth of the summing circuit.

Keywords

biomedical electronics; biomedical transducers; biomedical ultrasonics; medical image processing; ultrasonic focusing; ultrasonic transducer arrays; delay switch; dynamic focusing capability accuracy; early cancer detection; increased lateral resolution; medical diagnostic imaging; ocular imaging; summing circuit; summing circuit bandwidth; ultrasound transducer arrays characterization; Apertures; Bandwidth; Biomedical transducers; Circuit testing; Delay lines; Focusing; Summing circuits; Switches; System testing; Ultrasonic imaging;

fLanguage

English

Publisher

ieee

Conference_Titel

Engineering in Medicine and Biology, 2002. 24th Annual Conference and the Annual Fall Meeting of the Biomedical Engineering Society EMBS/BMES Conference, 2002. Proceedings of the Second Joint

ISSN

1094-687X

Print_ISBN

0-7803-7612-9

Type

conf

DOI

10.1109/IEMBS.2002.1106215

Filename

1106215