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Letter

Design of an Ultrasound Transceiver ASIC with a Switching-Artifact Reduction Technique for 3D Carotid Artery Imaging

1
Electronic Instrumentation Laboratory, Delft University of Technology, 2628 CD Delft, The Netherlands
2
Laboratory of Medical Imaging, Department of Imaging Physics, Delft University of Technology, 2628 CJ Delft, The Netherlands
3
Department Biomedical Engineering, Thoraxcenter, Erasmus Medical Center, 3015 GD Rotterdam, The Netherlands
*
Author to whom correspondence should be addressed.
Sensors 2021, 21(1), 150; https://doi.org/10.3390/s21010150
Received: 30 November 2020 / Revised: 24 December 2020 / Accepted: 25 December 2020 / Published: 29 December 2020
(This article belongs to the Special Issue Ultrasonic Systems for Biomedical Sensing)
This paper presents an ultrasound transceiver application-specific integrated circuit (ASIC) directly integrated with an array of 12 × 80 piezoelectric transducer elements to enable next-generation ultrasound probes for 3D carotid artery imaging. The ASIC, implemented in a 0.18 µm high-voltage Bipolar-CMOS-DMOS (HV BCD) process, adopted a programmable switch matrix that allowed selected transducer elements in each row to be connected to a transmit and receive channel of an imaging system. This made the probe operate like an electronically translatable linear array, allowing large-aperture matrix arrays to be interfaced with a manageable number of system channels. This paper presents a second-generation ASIC that employed an improved switch design to minimize clock feedthrough and charge-injection effects of high-voltage metal–oxide–semiconductor field-effect transistors (HV MOSFETs), which in the first-generation ASIC caused parasitic transmissions and associated imaging artifacts. The proposed switch controller, implemented with cascaded non-overlapping clock generators, generated control signals with improved timing to mitigate the effects of these non-idealities. Both simulation results and electrical measurements showed a 20 dB reduction of the switching artifacts. In addition, an acoustic pulse-echo measurement successfully demonstrated a 20 dB reduction of imaging artifacts. View Full-Text
Keywords: 3D ultrasound imaging; high-voltage (HV) switches; matrix transducers; ultrasound application-specific integrated circuit (ASIC); clock feedthrough; charge injection 3D ultrasound imaging; high-voltage (HV) switches; matrix transducers; ultrasound application-specific integrated circuit (ASIC); clock feedthrough; charge injection
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MDPI and ACS Style

Kim, T.; Fool, F.; dos Santos, D.S.; Chang, Z.-Y.; Noothout, E.; Vos, H.J.; Bosch, J.G.; Verweij, M.D.; de Jong, N.; Pertijs, M.A.P. Design of an Ultrasound Transceiver ASIC with a Switching-Artifact Reduction Technique for 3D Carotid Artery Imaging. Sensors 2021, 21, 150. https://doi.org/10.3390/s21010150

AMA Style

Kim T, Fool F, dos Santos DS, Chang Z-Y, Noothout E, Vos HJ, Bosch JG, Verweij MD, de Jong N, Pertijs MAP. Design of an Ultrasound Transceiver ASIC with a Switching-Artifact Reduction Technique for 3D Carotid Artery Imaging. Sensors. 2021; 21(1):150. https://doi.org/10.3390/s21010150

Chicago/Turabian Style

Kim, Taehoon, Fabian Fool, Djalma S. dos Santos, Zu-Yao Chang, Emile Noothout, Hendrik J. Vos, Johan G. Bosch, Martin D. Verweij, Nico de Jong, and Michiel A.P. Pertijs 2021. "Design of an Ultrasound Transceiver ASIC with a Switching-Artifact Reduction Technique for 3D Carotid Artery Imaging" Sensors 21, no. 1: 150. https://doi.org/10.3390/s21010150

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