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A 23μW Digitally Controlled pMUT Interface Circuit for Doppler Ultrasound Imaging

Cited 3 time in Web of Science Cited 4 time in Scopus
Authors

Tillak, Judyta; Yoo, Jerald

Issue Date
2015
Publisher
IEEE
Citation
IEEE International Symposium on Circuits and Systems proceedings, pp.1618-1621
Abstract
This paper describes the design and implementation of a fully integrated Tx/Rx front-end interface for Doppler Imaging with Piezoelectric Micromachined Ultrasonic Transducer (pMUT). The 4-Level Time Gain Compensation (QL-TGC) readout channel with an integrated biasing bank reduces Rx power with satisfactory noise performance (NF=17) and minimal area. The 65nm CMOS chip occupies 200 x 300 mu m and has a total power consumption of 23 mu W, which is a 4x and 25x improvement over the state-of-art pMUT interface circuits, respectively.
ISSN
0271-4302
URI
https://hdl.handle.net/10371/200837
DOI
https://doi.org/10.1109/ISCAS.2015.7168959
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부교수
  • College of Engineering
  • Department of Electrical and Computer Engineering
Research Area Biomedical Applications, Energy-Efficient Integrated Circuits

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