A 10.9nV/√Hz, 74.9dB-DR, 20MS/s Ultrasound Analog Front End for Fully-Digital Beamforming https://sscs.ieee.org/wp-content/themes/movedo/images/empty/thumbnail.jpg 150 150 https://secure.gravatar.com/avatar/8fcdccb598784519a6037b6f80b02dee03caa773fc8d223c13bfce179d70f915?s=96&d=mm&r=g
Abstract:
This letter presents a compact and energy-efficient analog front-end (AFE) circuit for fully-digital beamforming in endoscopic and catheter-based 3D-ultrasound imaging. The AFE converts single-ended analog input from each transducer element into a 10-bit digital output through a low-noise amplifier (LNA) and a 20 MS/s SAR ADC. To minimize chip area …