Rail-to-Rail, Linear Hot-Electron Injection Programming of Floating-Gate Voltage Bias Generators at 13-Bit Resolution

Huang, Chenling; Sarkar, Pikul; Chakrabartty, Shantanu

doi:10.1109/jssc.2011.2167390

Cited by 43 publications

(37 citation statements)

References 16 publications

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“…This shows that the linear injector has a linear range of almost 4V. Also, in [18] the resolution of the linear injector was measured to be greater than 13 bits.…”

Section: Self-powered Pfg Sensing and Data-loggingmentioning

confidence: 76%

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Self-Powered Piezo-Floating-Gate Smart-Gauges Based on Quasi-Static Mechanical Energy Concentrators and Triggers

et al. 2015

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Changes in physical processes like ambient temperature or pressure variations occur at frequencies that are significantly lower than 1 Hz. This poses a challenge for designing self-powered sensors that monitor these quasi-static physical processes and at the same time scavenge operational energy for sensing, computation, and storage from the signal being monitored. In this paper, we present a novel paradigm for designing a self-powered sensor/data logger that exploits the physics of negative-stiffness mechanical energy concentrators with the physics of our previously reported piezoelectricity driven impact ionized hot-electron injection (p-IHEI)-based sensors. The operational principle is based on the sudden transitions from unstable mode branch switching during the elastic postbuckling response of slender columns, which are used to generate highfrequency deformations as an input to the p-IHEI-based sensor. The experimental results demonstrate that the proposed selfpowered sensor based on an integrated circuit fabricated in a 0.5-µm CMOS technology can count and record the number of quasi-static input events with frequencies spanning less than 1 Hz.

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“…This shows that the linear injector has a linear range of almost 4V. Also, in [18] the resolution of the linear injector was measured to be greater than 13 bits.…”

Section: Self-powered Pfg Sensing and Data-loggingmentioning

confidence: 76%

“…where f (·) is an arbitrary function that could be empirically determined [18]. However, the circuit in Fig.…”

Section: Self-powered Pfg Sensing and Data-loggingmentioning

confidence: 99%

Self-Powered Piezo-Floating-Gate Smart-Gauges Based on Quasi-Static Mechanical Energy Concentrators and Triggers

et al. 2015

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“…Also, for self-powered operation the measured data has to be stored on a non-volatile memory for subsequent retrieval. Linear time-measurement on a non-volatile memory can be readily implemented using our previously reported linear floating-gate injector topology [4]. The circuit level schematic of the linear floating-gate injector is shown in Fig.…”

Section: Data-loggingmentioning

confidence: 99%

Monitoring of repeated head impacts using time-dilation based self-powered sensing

Aono

Covassin

Chakrabartty

2014

2014 IEEE International Symposium on Circuits and Systems (ISCAS)

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Measuring head impacts in helmeted sports is im portant for prognosticating onset of mild traumatic brain injuries (MTBIs) or concussions. In this paper we present a miniature battery-less, self-powered sensor that can be embedded inside sport helmets and can continuously monitor and log the statistics of different levels of helmet impacts. At the core of the proposed sensor is a novel time-dilation circuit which allows measurement of the high-levels of impact energy. An array of linear floating gate injector is used for storing the location of the sensor on the helmet and for logging the statistics of helmet impacts which can be retrieved using an external plug-and-play reader.Measured results from prototypes fabricated in a 0.5 !-lm CMOS process validate the functionality of the sensor when subjected to controlled drop tests.

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“…To find the steepest descent using (7), a vector of the opposite direction must be considered, so if a vector should be found better than then a small perturbation vector around must be pointing towards the following direction: (9) This perturbation vector moves the parameter vector just in the direction of the steepest descent and the scalar 0 determines the length of the step in the steepest descent. Note that the vector in (7) is just in the opposite direction of that of (9).…”

Section: Introductionmentioning

confidence: 99%

Injection current model fit in p-channel floating gate MOS transistors using the Levenberg-Marquardt method

Hernandez-Garnica

Gómez-Castañeda

Moreno-Cadenas

et al. 2013

2013 10th International Conference on Electrical Engineering, Computing Science and Automatic Control (CCE)

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The Levenberg-Marquar method is an iterative numerical technique th deal with the problem of least squares particular, in this work it is used to fit the par in a semi-empirical model of the pFGMOS d electron injection current. The injection cur mechanism by which the electrical charge on in pFGMOS transistors can be modified. Thi the use of the Levenberg-Marquardt algorith measurement data from an experimenta fabricated in 0. 5-micron standard CMOS techKeywords --Levenberg-Marquardt; curve pFGMOS; electron injection; impact ionizati MOS.

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Rail-to-Rail, Linear Hot-Electron Injection Programming of Floating-Gate Voltage Bias Generators at 13-Bit Resolution

Cited by 43 publications

References 16 publications

Self-Powered Piezo-Floating-Gate Smart-Gauges Based on Quasi-Static Mechanical Energy Concentrators and Triggers

Self-Powered Piezo-Floating-Gate Smart-Gauges Based on Quasi-Static Mechanical Energy Concentrators and Triggers

Monitoring of repeated head impacts using time-dilation based self-powered sensing

Injection current model fit in p-channel floating gate MOS transistors using the Levenberg-Marquardt method

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