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Energy Efficient Smart Temperature Sensors In Cmos Technology
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Book Synopsis Energy-Efficient Smart Temperature Sensors in CMOS Technology by : Kamran Souri
Download or read book Energy-Efficient Smart Temperature Sensors in CMOS Technology written by Kamran Souri and published by Springer. This book was released on 2017-10-05 with total page 133 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book describes the design and implementation of energy-efficient smart (digital output) temperature sensors in CMOS technology. To accomplish this, a new readout topology, namely the zoom-ADC, is presented. It combines a coarse SAR-ADC with a fine Sigma-Delta (SD) ADC. The digital result obtained from the coarse ADC is used to set the reference levels of the SD-ADC, thereby zooming its full-scale range into a small region around the input signal. This technique considerably reduces the SD-ADC’s full-scale range, and notably relaxes the number of clock cycles needed for a given resolution, as well as the DC-gain and swing of the loop-filter. Both conversion time and power-efficiency can be improved, which results in a substantial improvement in energy-efficiency. Two BJT-based sensor prototypes based on 1st-order and 2nd-order zoom-ADCs are presented. They both achieve inaccuracies of less than ±0.2°C over the military temperature range (-55°C to 125°C). A prototype capable of sensing temperatures up to 200°C is also presented. As an alternative to BJTs, sensors based on dynamic threshold MOSTs (DTMOSTs) are also presented. It is shown that DTMOSTs are capable of achieving low inaccuracy (±0.4°C over the military temperature range) as well as sub-1V operation, making them well suited for use in modern CMOS processes.
Book Synopsis High-Accuracy CMOS Smart Temperature Sensors by : Anton Bakker
Download or read book High-Accuracy CMOS Smart Temperature Sensors written by Anton Bakker and published by Springer Science & Business Media. This book was released on 2013-03-09 with total page 126 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book describes the theory and design of high-accuracy CMOS smart temperature sensors. The major topic of the work is the realization of a smart temperature sensor that has an accuracy that is so high that it can be applied without any form of calibration. Integrated in a low-cost CMOS technology, this yields at the publication date of this book one of the most inexpensive intelligent general purpose temperature sensors in the world. The first thermometers could only be read by the human eye. The industrial revolution and the following computerization asked for more intelligent sensors, which could easily communicate to digital computers. This led to· the development of integrated temperature sensors that combine a bipolar temperature sensor and an A-to-D converter on the same chip. The implementation in CMOS technology reduces the processing costs to a minimum while having the best-suited technology to increase the (digital) intelligence. The accuracy of conventional CMOS smart temperature sensors is degraded by the offset of the read-out electronics. Calibration of these errors is quite expensive, however, dynamic offset-cancellation techniques can reduce the offset of amplifiers by a factor 100 to 1000 and do not need trimming. Chapter two gives an elaborate description of the different kinds of dynamic offset-cancellation techniques. Also a new technique is introduced called the nested chopper technique. An implementation of a CMOS nested-chopper instrumentation amplifier shows a residual offset of less than lOOn V, which is the best result reported to date.
Book Synopsis Resistor-based Temperature Sensors in CMOS Technology by : Sining Pan
Download or read book Resistor-based Temperature Sensors in CMOS Technology written by Sining Pan and published by Springer Nature. This book was released on 2022-04-04 with total page 162 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book describes the background, principles, implementations, characterization, and future trends of temperature sensors made from silicon resistors in CMOS technology, including their readout circuits. Readers will benefit from the latest research of CMOS temperature sensors, and could learn about various precision analog techniques such as phase detection, continuous-time ΔΣ ADC, zoom ADC, FIR-DAC, dynamic element matching, OTA linearization, etc.
Book Synopsis Precision Temperature Sensors in CMOS Technology by : Micheal A.P. Pertijs
Download or read book Precision Temperature Sensors in CMOS Technology written by Micheal A.P. Pertijs and published by Springer Science & Business Media. This book was released on 2006-12-06 with total page 308 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book describes the analysis and design of precision temperature sensors in CMOS IC technology, focusing on so-called smart temperature sensors, which provide a digital output signal that can be readily interpreted by a computer. The text shows how temperature characteristics can be used to obtain an accurate digital temperature reading. The book ends with a detailed description of three prototypes, one of which achieves the best performance reported to date.
Book Synopsis Low-power High-accuracy Smart Temperature Sensors in CMOS Technology by : André Luiz Aita
Download or read book Low-power High-accuracy Smart Temperature Sensors in CMOS Technology written by André Luiz Aita and published by . This book was released on 2011 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Precision Temperature Sensors in CMOS Technology by : Michiel Pertijs
Download or read book Precision Temperature Sensors in CMOS Technology written by Michiel Pertijs and published by . This book was released on 2005 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Electronic Devices, Circuits, and Systems for Biomedical Applications by : Suman Lata Tripathi
Download or read book Electronic Devices, Circuits, and Systems for Biomedical Applications written by Suman Lata Tripathi and published by Academic Press. This book was released on 2021-04-28 with total page 586 pages. Available in PDF, EPUB and Kindle. Book excerpt: Electronic Devices, Circuits, and Systems for Biomedical Applications: Challenges and Intelligent Approaches explains the latest information on the design of new technological solutions for low-power, high-speed efficient biomedical devices, circuits and systems. The book outlines new methods to enhance system performance, provides key parameters to explore the electronic devices and circuit biomedical applications, and discusses innovative materials that improve device performance, even for those with smaller dimensions and lower costs. This book is ideal for graduate students in biomedical engineering and medical informatics, biomedical engineers, medical device designers, and researchers in signal processing. Presents major design challenges and research potential in biomedical systems Walks readers through essential concepts in advanced biomedical system design Focuses on healthcare system design for low power-efficient and highly-secured biomedical electronics
Book Synopsis Mobility-based Time References for Wireless Sensor Networks by : Fabio Sebastiano
Download or read book Mobility-based Time References for Wireless Sensor Networks written by Fabio Sebastiano and published by Springer Science & Business Media. This book was released on 2012-08-09 with total page 176 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book describes the use of low-power low-cost and extremely small radios to provide essential time reference for wireless sensor networks. The authors explain how to integrate such radios in a standard CMOS process to reduce both cost and size, while focusing on the challenge of designing a fully integrated time reference for such radios. To enable the integration of the time reference, system techniques are proposed and analyzed, several kinds of integrated time references are reviewed, and mobility-based references are identified as viable candidates to provide the required accuracy at low-power consumption. Practical implementations of a mobility-based oscillator and a temperature sensor are also presented, which demonstrate the required accuracy over a wide temperature range, while drawing 51-uW from a 1.2-V supply in a 65-nm CMOS process.
Book Synopsis All-Digital Smart Temperature Sensor with Self-Calibration in 65nm CMOS Technology by :
Download or read book All-Digital Smart Temperature Sensor with Self-Calibration in 65nm CMOS Technology written by and published by . This book was released on 2010 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis An Energy Efficient CMOS Interface to Carbon Nanotube Sensor Arrays by : Taeg Sang Cho
Download or read book An Energy Efficient CMOS Interface to Carbon Nanotube Sensor Arrays written by Taeg Sang Cho and published by . This book was released on 2007 with total page 98 pages. Available in PDF, EPUB and Kindle. Book excerpt: A carbon nanotube is considered as a candidate for a next-generation chemical sensor. CNT sensors are attractive as they allow room-temperature sensing of chemicals. From the system perspective, this signifies that the sensor system does not require any micro hotplates, which are one of the major sources of power dissipation in other types of sensor systems. Nevertheless, a poor control of the CNT resistance poses a constraint on the attainable energy efficiency of the sensor platform. An investigation on the CNT sensors shows that the dynamic range of the interface should be 17 bits, while the resolution at each base resistance should be 7 bits. The proposed CMOS interface extends upon the previously published work to optimize the energy performance through both the architecture and circuit level innovations. The 17-bit dynamic range is attained by distributing the requirement into a 10-bit Analog-to-Digital Converter (ADC) and a 8-bit Digital-to-Analog Converter (DAC). An extra 1-bit leaves room for any unaccounted subblock performance error. Several system-level all-digital calibration schemes are proposed to account for DAC nonlinearity, ADC offset voltage, and a large variation in CNT base resistance. Circuit level techniques are employed to decrease the leakage current in the sensitive frontend node, to decrease the energy consumption of the ADC, and to efficiently control the DAC. The interface circuit is fabricated in 0.18 /m CMOS technology, and can operate at 1.83 kS/s sampling rate at 32 pW worst case power. The resistance measurement error across the whole dynamic range is less than 1.34% after calibration. A functionality of the full chemical sensor system has been demonstrated to validate the concepts introduced in this thesis.
Book Synopsis Electrothermal Frequency References in Standard CMOS by : S. Mahdi Kashmiri
Download or read book Electrothermal Frequency References in Standard CMOS written by S. Mahdi Kashmiri and published by Springer Science & Business Media. This book was released on 2013-04-02 with total page 219 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book describes an alternative method of realizing accurate on-chip frequency references in standard CMOS processes. This method exploits the thermal-diffusivity of silicon, i.e. the rate at which heat diffuses through a silicon substrate. This is the first book describing the design of such electrothermal frequency references. It includes the necessary theory, supported by practical realizations that achieve inaccuracies as low as 0.1% and thus demonstrate the feasibility of this approach. The book also includes several circuit and system-level solutions to the precision circuit design challenges encountered during the design of such frequency references.
Book Synopsis Hybrid ADCs, Smart Sensors for the IoT, and Sub-1V & Advanced Node Analog Circuit Design by : Pieter Harpe
Download or read book Hybrid ADCs, Smart Sensors for the IoT, and Sub-1V & Advanced Node Analog Circuit Design written by Pieter Harpe and published by Springer. This book was released on 2017-09-18 with total page 358 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is based on the 18 tutorials presented during the 26th workshop on Advances in Analog Circuit Design. Expert designers present readers with information about a variety of topics at the frontier of analog circuit design, with specific contributions focusing on hybrid ADCs, smart sensors for the IoT, sub-1V and advanced-node analog circuit design. This book serves as a valuable reference to the state-of-the-art, for anyone involved in analog circuit research and development.
Book Synopsis Interface Circuits for Microsensor Integrated Systems by : Giuseppe Ferri
Download or read book Interface Circuits for Microsensor Integrated Systems written by Giuseppe Ferri and published by MDPI. This book was released on 2018-12-07 with total page 171 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is a printed edition of the Special Issue "Interface Circuits for Microsensor Integrated Systems" that was published in Micromachines
Book Synopsis Process Analysis, Design, and Intensification in Microfluidics and Chemical Engineering by : Santana, Harrson Silva
Download or read book Process Analysis, Design, and Intensification in Microfluidics and Chemical Engineering written by Santana, Harrson Silva and published by IGI Global. This book was released on 2019-01-18 with total page 367 pages. Available in PDF, EPUB and Kindle. Book excerpt: Microfluidics represent great potential for chemical processes design, development, optimization, and chemical engineering bolsters the project design of industrial processes often found in large chemical plants. Together, microfluidics and chemical engineering can lead to a more complete and comprehensive process. Process Analysis, Design, and Intensification in Microfluidics and Chemical Engineering provides emerging research exploring the theoretical and practical aspects of microfluidics and its application in chemical engineering with the intention of building pathways for new processes and product developments in industrial areas. Featuring coverage on a broad range of topics such as design techniques, hydrodynamics, and numerical modelling, this book is ideally designed for engineers, chemists, microfluidics and chemical engineering companies, academicians, researchers, and students.
Book Synopsis Smart CMOS Image Sensors and Applications by : Jun Ohta
Download or read book Smart CMOS Image Sensors and Applications written by Jun Ohta and published by CRC Press. This book was released on 2017-12-19 with total page 272 pages. Available in PDF, EPUB and Kindle. Book excerpt: Because of their high noise immunity and low static power supply drain, complementary metal-oxide-semiconductor (CMOS) devices produce less heat than other forms of logic and allow a high density of logic functions on a chip. These beneficial characteristics have fueled the use of CMOS image sensors in consumer electronics, robot vision, biotechnology, and medicine. With the introduction of smart functions in CMOS image sensors, even more versatile applications are now possible. Exploring this popular technology, Smart CMOS Image Sensors and Applications focuses on the smart functions implemented in CMOS image sensors as well as the applications of these sensors. After discussing the history of smart CMOS image sensors, the book describes the fundamental elements of CMOS image sensors. It covers some optoelectronic device physics and introduces typical CMOS image sensor structures, such as an active pixel sensor (APS). Subsequent chapters elucidate the functions and materials of smart CMOS image sensors and present examples of smart imaging. The final chapter explores various applications of smart CMOS image sensors. Several appendices supply a range of information on constants, illuminance, MOSFET characteristics, and optical resolution. This book provides a firm foundation in existing smart CMOS image sensor technology and applications, preparing you for the next phase of smart CMOS image sensors.
Book Synopsis Thermal Sensors, by : Gerard C. M. Meijer
Download or read book Thermal Sensors, written by Gerard C. M. Meijer and published by CRC Press. This book was released on 1994-10-27 with total page 328 pages. Available in PDF, EPUB and Kindle. Book excerpt: Thermal Sensors is intended as a comprehensive and accessible reference for designers and users of thermal sensors. Many different physical quantities can be converted easily and accurately into temperature differences using thermal techniques. These temperature differences can be detected with temperature and temperature-difference sensors. In a thermal sensor the thermal converter and the temperature sensor are combined in a single accurate device. This book gives an overview and deals with the design aspects of thermal and temperature sensors, with an emphasis on sensors based on silicon technology. The temperature sensors described are based on the use of various types of sensitive elements, such as platinum resistors, thermistors and special integrated circuits. The thermal sensors described include flow, conductivity, infrared, vacuum, humidity and calorimetric sensors, and ac-dc converters, thus providing a comprehensive overview of all thermal sensors, with practical examples of each type.
Book Synopsis A 62nW 0.6V CMOS Temperature Sensor Design by : Yuan Cao
Download or read book A 62nW 0.6V CMOS Temperature Sensor Design written by Yuan Cao and published by . This book was released on 2015 with total page 46 pages. Available in PDF, EPUB and Kindle. Book excerpt: The development of low power CMOS technology has enabled a higher level of integration for ultra-low power applications. Among the big variety of sensor systems, temperature sensor is one of the most important and commonly used subsystem. In this thesis, a novel architecture of low power temperature sensor is proposed. In order to minimize power consumption, the temperature sensor is designed to work in subthreshold region, with a 0.5V-0.9V supply. With 62nW active power, 0.10C resolution, and 0.550C inaccuracy from 0 to 1000C, the proposed temperature sensor achieves low power consumption without degrading resolution and accuracy. The active power is highly reduced by using a novel two-amplifier reference current generator. A 17nW 30-40kHz oscillator is designed as reference clock, 13ppm temperature coefficient is achieved with resistor calibration. The supply voltage sensitivity of oscillation frequency is 1.2%/V without using LDO or regulated current source. To demonstrate the proposed topology, a chip have been designed and submitted for fabrication in 180nm CMOS technology.
