Capacitive micromachined ultrasound transducers for intravascular ultrasound imaging

J Wang, Z Zheng, J Chan, JTW Yeow - Microsystems & …, 2020 - nature.com
Intravascular ultrasound (IVUS) is a burgeoning imaging technology that provides vital
information for the diagnosis of coronary arterial diseases. A significant constituent that …

Emerging trends of biomedical circuits and systems

M Sawan, J Yang, M Tarkhan, J Chen… - … and Trends® in …, 2021 - nowpublishers.com
Biomedical circuits and systems are heading toward a multidisciplinary race in two main
directions. On the one hand, advanced smart medical devices must be built to improve …

A variable-gain low-noise transimpedance amplifier for miniature ultrasound probes

E Kang, M Tan, JS An, ZY Chang… - IEEE Journal of Solid …, 2020 - ieeexplore.ieee.org
This article presents a low-noise transimpedance amplifier (TIA) designed for miniature
ultrasound probes. It provides continuously variable gain to compensate for the time …

Monolithic single PMUT-on-CMOS ultrasound system with+ 17 dB SNR for imaging applications

I Zamora, E Ledesma, A Uranga, N Barniol - IEEE Access, 2020 - ieeexplore.ieee.org
This article presents a fully integrated ultrasound system based on a single piezoelectric
micromachined ultrasonic transducer (PMUT) monolithically fabricated with a 0.13 μm …

Miniaturized 0.13-μm CMOS front-end analog for AlN PMUT arrays

I Zamora, E Ledesma, A Uranga, N Barniol - Sensors, 2020 - mdpi.com
This paper presents an analog front-end transceiver for an ultrasound imaging system
based on a high-voltage (HV) transmitter, a low-noise front-end amplifier (RX), and a …

A compact integrated high-voltage pulser insensitive to supply transients for 3-D miniature ultrasound probes

YM Hopf, B Ossenkoppele, M Soozande… - IEEE Solid-State …, 2022 - ieeexplore.ieee.org
In this letter, a compact high-voltage (HV) transmit circuit for dense 2-D transducer arrays
used in 3-D ultrasonic imaging systems is presented. Stringent area requirements are …

Fully integrated pitch-matched AlScN PMUT-on-CMOS array for high resolution Ultrasound Images

E Ledesma, A Uranga, F Torres… - IEEE Sensors …, 2024 - ieeexplore.ieee.org
This article presents a fully integrated pitch-matched piezoelectric micromachined ultrasonic
transducers (PMUTs)-on-CMOS array with high potential in catheter-based ultrasound …

Monolithic PMUT-on-CMOS ultrasound system for single pixel acoustic imaging

E Ledesma, I Zamora, A Uranga… - 2021 IEEE 34th …, 2021 - ieeexplore.ieee.org
This paper presents a fully operational integrated ultrasound transceiver based on a single
piezoelectric micromachined ultrasonic transducer (PMUT) monolithically fabricated with a …

An ultrasound ASIC with universal energy recycling for> 7-m all-weather metamorphic robotic vision

H Wu, M Zhang, Z Shao, J Guo, KA Ng… - IEEE Journal of Solid …, 2022 - ieeexplore.ieee.org
An ultrasound ASIC that enables compact, 3-D nonvisual robotic navigation for> 7-m is
presented. The proposed ultrasound ASIC mitigates the limitations of camera vision …

A 28.7V Modular Supply Multiplying Pulser With 75.4% Power Reduction Relative to CV2f

KJ Choi, HG Yeo, H Choi… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
This brief presents a high voltage modular supply multiplying pulser in a 0.18-μm BCD
CMOS process. Two prototypes of the pulser were implemented for target loads of 55pF and …