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A novel interface architecture for differential capacitive sensors

2023 9th International Workshop on Advances in Sensors and Interfaces (IWASI), 2023
In this work, we propose an analog fully differential interface for capacitive sensors. The working principle of the proposed solution is based on an autobalancing bridge topology entirely formed by capacitive components. In particular, two capacitors form the sensor, while other components are voltage-controlled capacitors (VCCs) which in steady-state
Barile, Gianluca, Esposito, Paolo, Stornelli, Vincenzo, Ferri, Giuseppe   +3 more
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Differentiated surveillance for sensor networks

Proceedings of the 1st international conference on Embedded networked sensor systems, 2003
For many sensor network applications such as military surveillance, it is necessary to provide full sensing coverage to a security-sensitive area while at the same time minimizing energy consumption and extending system lifetime by leveraging the redundant deployment of sensor nodes.
Ting Yan, Tian He 0001, John A. Stankovic   +2 more
openaire   +1 more source

A differential ISFET pH sensor

2017 IEEE SENSORS, 2017
In this paper, we present a simple differential CMOS ISFET based pH sensor. The design uses two different sensing areas. The resulting sensor reduces complexity and power consumption making it suitable for implantable biomedical applications. The design is implemented in a standard 130nm process and the design constraints on sensitivity are explored ...
Mst Shamim Ara Shawkat, Nicole McFarlane
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CMOS differential and absolute thermal sensors

Proceedings Seventh International On-Line Testing Workshop, 2002
This paper treats the test of CMOS digital ICs by using the thermal mapping of the silicon surface as a test observable. Two different temperature-sensing strategies are presented. The novel sensors developed are an on-chip CMOS Differential Temperature (DT) sensor and a Proportional to Absolute Temperature (PTAT) sensor. The sensors are small, robust,
Ashish Syal, Victor Lee, André Ivanov, Josep Altet   +3 more
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Miniaturized Wet-Wet Differential Pressure Sensor [PDF]

2022 IEEE Sensors, 2022
We report a miniaturized wet-wet differential pressure sensor with applications in pressure and flow sensing in water networks and other harsh environments.
Andrew S. Holmes, Samuel K. E. Yang, Michail E. Kiziroglou, David E. Boyle, David M. Lincoln, Jim D. J. McCabe, Paul Szasz, Daryl R. Williams, Eric M. Yeatman   +8 more
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Digital Converter for Differential Capacitive Sensors

IEEE Transactions on Instrumentation and Measurement, 2008
A digital converter that directly translates variations in the capacitances of a differential-type capacitive sensor to a proportional digital value is described in this paper. A conventional dual-slope, analog-to-digital converter is suitably modified to obtain direct capacitance-to-digital conversion (CDC).
N. Madhu Mohan, A. R. Shet, S. Kedarnath, V. Jagadeesh Kumar   +3 more
openaire   +1 more source

The Magnetic Differentiation Technique for GMI Sensor

IEEE Transactions on Magnetics, 2017
The “magnetic differentiation” technique is an original method for magnetic-field measurement. It is used for giant magnetoimpedance (GMI) sensors. The response is very different from the classical impedance measurement. To measure the external field $\text{H}_{\mathrm {ext}}$ , small increments of magnetic field, alternatively positive and ...
Jean-Paul Yonnet, Aktham Asfour
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Electronic interface for differential pressure sensor

International Conference on Networking, International Conference on Systems and International Conference on Mobile Communications and Learning Technologies (ICNICONSMCL'06), 2006
This paper describes the design and construction of an electronic interface for the differential capacitance sensor of pressure. The 14-bit precision of measurement is required. The total power consumption below 5 mW and galvanic separation is needed.
Michal Pavlik, Radimir Vrba, Pavel Steffan   +2 more
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Microfluidic differential resistive pulse sensors

ELECTROPHORESIS, 2008
AbstractThis study demonstrates an on‐chip resistive pulse‐sensing scheme with a design of symmetric mirror channels, which significantly reduces the noise and achieves better signal‐to‐noise ratio. Polystyrene particles of different sizes have been detected with the developed sensing scheme and a record low volume ratio of the particle to the sensing ...
Xudong, Wu, Yuejun, Kang, Yao-Nan, Wang, Dongyan, Xu, Deyu, Li, Dongqing, Li   +5 more
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