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Proceedings Paper
Computer Science, Hardware & Architecture
A PMUT Transceiver Front-End with 100-V TX Driver and Low-Noise Voltage Amplifier in BCD-SOI Technology
Lara Novaresi et al.
Summary: This paper presents an analog transceiver for PMUT-based portable ultrasound medical imaging probes, operating in the 2-4 MHz frequency range. The transceiver delivers a three-level train of pulses with amplitude up to +/- 50 V to the ultrasound transducer and collects the back-scattered echoes with a low-noise voltage amplifier and buffer. The circuit achieves a RX sensitivity of 50 mV/kPa at minimum gain and an input-referred noise spectral density of 13 nV/root Hz at 2.3 MHz, consuming 5.4 mW. The acoustic measurements in a water tank demonstrate a peak RX sensitivity of 50 mV/kPa at 2.3 MHz.
ESSCIRC 2022- IEEE 48TH EUROPEAN SOLID STATE CIRCUITS CONFERENCE (ESSCIRC) (2022)
Proceedings Paper
Acoustics
Design, Fabrication, Characterization, and System Integration of a 1-D PMUT Array for Medical Ultrasound Imaging
Alessandro S. Savoia et al.
Summary: This paper discusses the design, fabrication, and testing of a 1-D PMUT array for low-frequency diagnostic imaging applications. The experimental results demonstrate the potential of this technology for medical imaging applications.
INTERNATIONAL ULTRASONICS SYMPOSIUM (IEEE IUS 2021) (2021)
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