Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 35 for “"Analog Devices"”.
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Compilation Techniques for Reconfigurable Analog Devices
Reconfigurable dynamical-system solving analog devices are a powerful new ultra-low-power computing substrate capable of executing dynamical systems in a performant and energy-efficient manner. This class of devices leverages the physical behavior of transistors to directly implement computation. …
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Modeling and simulation of analog devices using PRECISE
… and development of computer models to simulate analog devices and their effects on circuit applications has been investigated at length. The focus of this research is the development of theoretical and computer models for discrete devices using the popular simulator PRECISE, PRogram for …
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The characterization of the Analog Devices Inc. (ADI) magnetometer
Thesis (M.Eng.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2000.
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Design of experiments on a semiconductor plasma ashing process : methods and analysis
… work in this thesis done in collaboration with Analog Devices Inc., a leading chip manufacturer, shows how the concept of design of experiments (DOE) and statistical regression modeling techniques can be implemented in a practical industrial setting to rigorously understand and mathematically …
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Semiconductors and sustainability : energy and materials use in integrated circuit manufacturing
… The results of a case study of the Analog Devices Micromachined Products Division (MPD) fabrication facility are presented in support. In it, energy consumption is examined both from a top-down (fab-level) and bottom-up (equipment-level) perspective. Total fab material use is also …
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A low-power-extended-linear-range magnetic levitator
In this thesis, I designed and built analog circuits to extend the linear range of a magnetic levitator. Analog Devices AD633 multipliers are used to implement nonlinear terms which compensate for the electromagnet and sensor nonlinearities, which were measured experimentally. Implementing the …
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Chamber matching in semiconductor manufacturing using statistical analysis and run-to-run control
… methodology for semiconductor manufacturing in Analog Devices Inc.'s fabrication sites. As ADI extends its efforts to implement Internet of Things and predictive maintenance (PdM) to its fabrication facilities, it is also seeking to increase their overall yield by implementing better monitoring …
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Design and Analysis of a Transformer-Based Solid-State Relay
… complex high-speed tests on semiconductor devices. However, existing relays all come up short in some aspect. Electromechanical reed relays have a limited lifetime and slow switching speeds, while solid-state photoMOS relays have high on-resistance and low bandwidth. This thesis presents …
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An Ordinary Differential Equation Based Model For Clustering And Vector Quantization
… of the system with either electronic or photonic analog devices. This dynamical system consists of a set of energy functions which create valleys for representing clusters. Each valley represents a cluster of similar input patterns. The proposed system includes a dynamic parameter, called …
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A Silicon Germanium CMOS Linear Voltage Regulator for Wireless Agricultural Applications
… The objective of the circuit is to power other analog devices regardless of the load current and input voltage changes. The application of this regulator is to be part of a project developing a miniaturized semiconductor platform that can be inserted into stems of crops in order to measure data …
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5GHz CMOS resonant clock buffer with quadrature generation for fiber optic applications
… work for this thesis was conducted in part at Analog Devices Inc.
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Implementation of a Connected Digit Recognizer Using Continuous Hidden Markov Modeling
… a digital signal processor manufactured by Analog Devices. Linear predictive coding (LPC) analysis was first performed on a speech signal to model the characteristics of the vocal tract filter. A 7 state continuous HMM with 4 mixture density components was used to model each digit. The …
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Design and Evaluation of an Embedded Real-time Micro-kernel
… with two commercial RTOSes: MicroC/OS-II and Analog Devices VDK++ are also provided.
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Investigations into implementation of an iterative feedback tuning algorithm into microcontroller
… the key parameters qualifying for its usage. The Analog Devices ARM7024 microcontroller was chosen as an alternative to the DSP56F807C where it is not available. Myopic Unfalsified Control (MUC) is noted to be similar to IFT since it also employs ‘myopic’ gradient based steepest descent approach …
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Proof of concept data logger for non-active power
… high frequency, simultaneous sampling. An Analog Devices ADE7878 energy measurement IC is used for measurement of a three phase system instantaneous voltage and current. A STMicroelectronics STM32F4 ARM Cortex M4 is used for the digital signal processing. The software uses direct memory …
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Control of a semiconductor dry etch process using variation and correlation analyses
… etch process (in this case plasma ashing), at Analog Devices, Inc., a company that runs large-scale fabrication sites in the Boston area. This thesis focuses on spatial and run-to-run variation across multiple measurement sites on a wafer and validates the assumptions of normality and …
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Signal generation and evaluation using Digital-to-Analog Converter and Signal Defined Radio
In contemporary communication systems, Digital-to-Analog Converters (DAC), Signal Defined Radio (SDR) signal creation, and clock data recovery are essential components. DACs convert digital signals to analog signals, creating continuous waveforms. DACs provide versatility in the transmission of SDR …
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Using a gimbal to calibrate an inertial measurement unit
… using off-the-shelf sensors from STMicro and Analog Devices. A novel technique for calibrating the orientation, position, scaling and offset of each of the sensors on the IMU is developed. A gimbal consisting of three concentric rings, with rotary encoders measuring the rotation between rings …
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Time series data analytics : clustering-based anomaly detection techniques for quality control in semiconductor manufacturing
… ensuring a low production cost is important for Analog Devices, Inc. (ADI). Therefore, detecting anomalies on production lines and alerting on out-of-control processes is crucial. Although Statistical Process Control (SPC) methods have been implemented in the past and have proven to be efficient, …
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Design and analysis of a 200 volt, high slew rate, current-limited operational amplifier
… features in a 200 V silicon process internal to Analog Devices. Despite being on a closed-process, the discussion focuses on topological and architectural developments that are applicable to a wide range of high voltage processes. The use case examined is one whereby large capacitive loads need …
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