Thesis Sensor Interface Circuits

Thesis Sensor Interface Circuits-12
The first interface circuit is the realization of a current-mode approach that has the main advantage of being able to produce a fully-differential output also from a single-ended sensor by using just a fixed reference capacitor.The circuit, prototyped in a commercial 0.8-µm CMOS process, was estimated capable of achieving an accuracy of around 0.2% relative to full-scale which may be sufficient in many applications.

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Analog Integrated Circuits and Signal Processing, volume 62, number 1, pages 29-41.

Impulse sensitivity function-based phase noise study for low-power source-coupled CMOS multivibrators.

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Both current and voltage references are required in most analog and mixed-signal systems. IEEE Journal of Solid-State Circuits, volume 42, number 12, pages 2651-2665. © 2008 Institute of Electrical and Electronics Engineers (IEEE). In: Proceedings of the 2008 IEEE Asian Solid-State Circuits Conference (A-SSCC 2008).

A bandgap voltage reference, which inherently uses at least one current reference, is practical for the generation of an accurate reference voltage. © 2007 Institute of Electrical and Electronics Engineers (IEEE). By permission.[Publication 6]: Matti Paavola, Mika Kämäräinen, Mikko Saukoski, and Kari Halonen. A micropower low-dropout regulator with a programmable on-chip load capacitor for a low-power capacitive sensor interface. Significantly, linear performance is obtained for the capacitance ratio to frequency ratio converter over a 20 to 1 capacitance range, with operation demonstrable down to 5p F sensor capacitance.This thesis focuses on simple capacitive measurement techniques suitable for integration in CMOS technologies.To learn more or modify/prevent the use of cookies, see our Cookie Policy and Privacy Policy.This thesis consists of nine publications and an overview of the research topic, which also summarizes the work. Because the author made the main contribution to the design of the reference and power management circuits required, the overview part is dominated by the following research topics: current, voltage, and temperature references, frequency references, and voltage regulators. A micropower ΔΣ-based interface ASIC for a capacitive 3-axis micro-accelerometer. After an introduction to capacitive micro-accelerometers, the work describes the typical integrated readout electronics of a capacitive sensor on the functional level. © 2008 Institute of Electrical and Electronics Engineers (IEEE). IEEE Journal of Solid-State Circuits, volume 44, number 11, pages 3193-3210. The main motivation being: to realize simple frontends for capacitive sensors and microsystems for integration in high-density sensing applications, for example, in arrays of sensors for highresolution ultrasound imaging.In addition, there are many applications where a high accuracy in sensing is not essential; in such cases, a simple interface circuit can not only save the design time, but may also offer area and power advantages over the more complex circuits.Such oscillators suffer from poor jitter and phase noise performance, the quantities of which also deserve discussion in this thesis. © 2006 Institute of Electrical and Electronics Engineers (IEEE). By permission.[Publication 3]: Matti Paavola, Mika Kämäräinen, Jere Järvinen, Mikko Saukoski, Mika Laiho, and Kari Halonen. A 62µA interface ASIC for a capacitive 3-axis micro-accelerometer. Finally, the regulation of the supply voltage using linear regulators is considered. By permission.[Publication 2]: Matti Paavola, Mikko Saukoski, Mika Laiho, and Kari Halonen. A micropower voltage, current, and temperature reference for a low-power capacitive sensor interface. In: Digest of Technical Papers of the 2007 IEEE International Solid-State Circuits Conference (ISSCC 2007).


Comments Thesis Sensor Interface Circuits

  • Capacitive cmos readout circuits for high. - CiteSeerX

    This thesis presents the development of high resolution, wide dynamic range. Key words Sensor interface electronics, Capacitive readout circuit, Sigma-Delta.…


    My thesis defense committee and evaluate my work. Special. Figure 2-13 ISFET sensor readout circuit using differential amplifier. flow through the interface when the potential, electrode area, or solution composition.…

  • Differential read-out circuit for capacitive sensors

    Represented by the design complexity of the sensor interface. A capacitive sensor is. thesis. In a first order modelling, figure 2.1, the sensor model includes the.…

  • Kamran Souri - Electronic Instrumentation Laboratory - TU Delft

    Energy-Efficient Smart Temperature Sensors in CMOS Technology K. Souri. K. Souri; PhD thesis, Delft University of Technology, 2016. IEEE Journal of Solid State Circuits. In {De Venuto}, D; {L. Benini} Ed. 2011 IEEE 4th International Workshop on Advances in Sensors and Interfaces IWASI, IEEE.…

  • Sensors Special Issue Smart Sensor Interface Circuits and.

    Dear Colleagues. Smart Sensors and Internet-of-Things IoT are the key driving forces that push sensor interface circuits and systems to address smart.…

  • A Time-Based Capacitive to Digital Converter With Fast Data.

    Simulation results show that for a 5 pF sensor capacitance with a parasitic. In earlier papers it has been shown, that the interface circuits can be designed. 2 F. Goes, Low-Cost Smart Sensor Interfacing, PhD thesis, Delft University of.…


    The sensor interface circuit consists of an instrumentation amplifier, a bridge circuit. I would like to dedicate this thesis to my family and friends whose support.…

  • Doctoral thesis - Tkk

    SMARAD-2/Electronic Circuit Design Laboratory, Helsinki University of Technology, 02150. tations of this type of sensor interfaces have been introduced in, for.…

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