Abstract
The integration of 2D ultrasonic transducer arrays and pitch-matched ASICs has enabled the realization of various 3D ultrasound imaging devices in recent years [1]-[3]. As applications such as 3D intravascular ultrasonography, intra-cardiac echocardiography, and trans-fontanelle ultrasonography call for miniaturization and improved spatial resolution, higher-frequency transducers (>5MHz) with a correspondingly smaller array pitch (<150m) are needed. Such devices generally employ a large number of transducer elements, calling for channel-count reduction in the ASIC while meeting stringent restrictions on per-element power consumption and die area. Micro-beamforming (BF) is an effective way of reducing channel count by performing a delay-and-sum operation on the echo signals received within a sub-array [1]. However, prior BF implementations employ per-element capacitive memory to realize the delay [1], [2], making it increasingly difficult to apply BF in smaller-pitch arrays.
Original language | English |
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Title of host publication | 2022 IEEE International Solid-State Circuits Conference, ISSCC 2022 |
Subtitle of host publication | Digest of technical papers |
Editors | Laura C. Fujino |
Place of Publication | Danvers |
Publisher | IEEE |
Pages | 496-498 |
Number of pages | 3 |
ISBN (Electronic) | 978-1-6654-2800-2 |
ISBN (Print) | 978-1-6654-2801-9 |
DOIs | |
Publication status | Published - 2022 |
Event | 2022 IEEE International Solid- State Circuits Conference (ISSCC) - Online at San Francisco, United States Duration: 20 Feb 2022 → 26 Feb 2022 |
Publication series
Name | Digest of Technical Papers - IEEE International Solid-State Circuits Conference |
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Volume | 2022-February |
ISSN (Print) | 0193-6530 |
Conference
Conference | 2022 IEEE International Solid- State Circuits Conference (ISSCC) |
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Abbreviated title | ISSCC 2022 |
Country/Territory | United States |
City | Online at San Francisco |
Period | 20/02/22 → 26/02/22 |
Bibliographical note
Green Open Access added to TU Delft Institutional Repository 'You share, we take care!' - Taverne project https://www.openaccess.nl/en/you-share-we-take-careOtherwise as indicated in the copyright section: the publisher is the copyright holder of this work and the author uses the Dutch legislation to make this work public.