A front-end ASIC with receive sub-array beamforming integrated with a 32 × 32 PZT matrix transducer for 3-D transesophageal echocardiography

@article{Chen2016AFA,
  title={A front-end ASIC with receive sub-array beamforming integrated with a 32 × 32 PZT matrix transducer for 3-D transesophageal echocardiography},
  author={Chao Chen and Zhao Chen and Deep Bera and Shreyas B. Raghunathan and Maysam Shabanimotlagh and Emile Noothout and Zu-yao Chang and Jacco Ponte and Christian Prins and Hendrik J. Vos and Johan G. Bosch and Martin D. Verweij and Nico de Jong and Michiel A. P. Pertijs},
  journal={2016 IEEE Symposium on VLSI Circuits (VLSI-Circuits)},
  year={2016},
  pages={1-2}
}
This paper presents a power- and area-efficient front-end ASIC that is directly integrated with an array of 32 × 32 piezoelectric transducer elements to enable the next-generation miniature ultrasound probes for real-time 3-D transesophageal echocardiography. The 6.1 × 6.1 mm2 ASIC, implemented in a low-voltage 0.18 μm CMOS process, effectively reduces the number of cables required in the probe's narrow shaft by means of 96 sub-array beamformers, which have a compact element-matched layout and… CONTINUE READING

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