Strain sensing by electrical capacitive variation: From stretchable materials to electronic interfaces

H Nesser, G Lubineau - Advanced Electronic Materials, 2021 - Wiley Online Library
Sensing the motion of objects and humans is essential for various applications, including
human‐machine interfaces. Over the past few years, motion sensing has been extensively …

Readout circuits for capacitive sensors

Y Yoo, BD Choi - Micromachines, 2021 - mdpi.com
The development of microelectromechanical system (MEMS) processes enables the
integration of capacitive sensors into silicon integrated circuits. These sensors have been …

A dual-slope capacitance-to-digital converter integrated in an implantable pressure-sensing system

S Oh, Y Lee, J Wang, Z Foo, Y Kim… - IEEE Journal of solid …, 2015 - ieeexplore.ieee.org
A dual-slope capacitance-to-digital converter for pressure-sensing is presented and
demonstrated in a complete microsystem. The design uses base capacitance subtraction …

Ultralow power circuit design for wireless sensor nodes for structural health monitoring

Y Lee, D Blaauw, D Sylvester - Proceedings of the IEEE, 2016 - ieeexplore.ieee.org
Wireless sensor nodes (WSNs) are essential elements for today's structural health
monitoring (SHM). As the design technology for WSNs evolves, there have been continuous …

A 2.92- W Capacitance-to-Digital Converter With Differential Bondwire Accelerometer, On-Chip Air Pressure, and Humidity Sensor in 0.18- m CMOS

S Park, GH Lee, SH Cho - IEEE Journal of Solid-State Circuits, 2019 - ieeexplore.ieee.org
This paper presents a sensor front end for air pressure sensor, relative humidity (RH)
sensor, and accelerometer in a standard CMOS process, equipped with a wide input range …

27.6 A 0.7 pF-to-10nF fully digital capacitance-to-digital converter using iterative delay-chain discharge

W Jung, S Jeong, S Oh, D Sylvester… - … Solid-State Circuits …, 2015 - ieeexplore.ieee.org
Capacitance sensors are widely used to measure various physical quantities, including
position, pressure, and concentration of certain chemicals [1-6]. Integrating capacitive …

A 33fJ/Step SAR capacitance-to-digital converter using a chain of inverter-based amplifiers

H Omran, A Alhoshany, H Alahmadi… - IEEE Transactions on …, 2016 - ieeexplore.ieee.org
A 12-bit energy-efficient capacitive sensor interface circuit that fully relies on capacitance-
domain successive approximation (SAR) technique is presented. Analysis shows that for …

Bandwidth-enhanced oversampling successive approximation readout technique for low-noise power-efficient MEMS capacitive accelerometer

L Zhong, J Yang, D Xu, X Lai - IEEE Journal of Solid-State …, 2020 - ieeexplore.ieee.org
The bandwidth-enhanced oversampling successive approximation (BE-OSA) readout
technique is proposed in this article to reduce the noise floor of the readout circuit for micro …

Voltage control ratiometric readout technique with improved dynamic range and power-efficiency for open-loop MEMS capacitive accelerometer

L Zhong, S Liu, D Xu, Z Zhu - IEEE Transactions on Circuits and …, 2022 - ieeexplore.ieee.org
MEMS capacitive accelerometer for the Internet of Things (IoT) applications is designed with
open-loop structure rather than closed-loop structure to achieve low power consumption. In …

An Energy-Efficient Hybrid SAR-VCO Capacitance-to-Digital Converter in 40-nm CMOS

A Sanyal, N Sun - IEEE Journal of Solid-State Circuits, 2017 - ieeexplore.ieee.org
This paper presents a highly digital, 0-1 MASH capacitance-to-digital converter (CDC). The
CDC works by sampling a reference voltage on the sensing capacitor and then quantizing …