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 50 for “"Low Power Applications"”.
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Power supplies for ultra low power applications
Thesis (M. Eng.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1996.
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Energy processing circuits for low-power applications
… have fueled the rich emergence of new applications including multi-media handsets, ubiquitous smart sensors and actuators, and wearable or implantable biomedical devices. New ultra-low power circuit techniques are constantly being proposed to further improve the energy efficiency of …
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STUDY OF ADAPTIVE COMPRESSIVE SENSING FOR LOW POWER APPLICATIONS
Compressive sensing (CS) technique potentially allows sparse signals to be sampled at rates lower than their Nyquist Rates, making it appealing for implementation of low-power sensors. This dissertation investigates techniques to further improve CS efficiency by adaptively adjusting the sampling …
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Nanowire Transistors and RF Circuits for Low-Power Applications
… increasing demand of higher bandwidth and lower power consumption for transmitting data. The work aims at demonstrating how new types of structures, at the nanoscale, combined with what is referred to as exotic materials, can help benefit in electronics by lowering the consumed power, …
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Bi-directional DC-DC converter for low power applications
Applications that require exchange of power from the source to the load and vice-versa have conventionally been implemented with two uni-directional converters; each processing the power in one direction. With growing emphasis on compact, smaller and efficient power systems there is increasing …
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III-V vertical nanowire transistor for ultra-low power applications
… been pioneered via a top down approach for logic applications in future ultra-low power systems. Process flow and critical modules for sub-10 nm VNW transistors are developed from scratch. A novel dry etch technique based on BCl₃/SiCl₄/Ar chemistry for fabricating sub-20 nm III-V nanostructures …
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InGaAs/GaAsSb quantum-well Tunnel-FETs for ultra-low power applications
… one of the promising candidates for future ultra-low power applications. In this thesis, inline-TFETs with tunneling direction aligned to the gate electric field are designed, fabricated and analyzed based on InGaAs/GaAsSb material. Using ultrathin InGaAs/GaAsSb quantum-well (QW), the device …
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A regulated, charge-pump CMOS DC/DC converter for low-power applications
Thesis (M. Eng.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1998.
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A Constant ON-Time 3-Level Buck Converter for Low Power Applications
… mostly in sleep mode, which is light load for power supplies. Typical buck converter applications have low efficiency under the light load condition, primarily from their power stage and control being optimized for heavy load. The battery life of a smart camera can be extended through …
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A Two-Phase Buck Converter with Optimum Phase Selection for Low Power Applications
Power consumption of smart cameras varies significantly between sleep mode and active mode, and a smart camera operates in sleep mode for 80 — 90% of time for typical use. To prolong the battery life of smart cameras, it is essential to increase the power converter efficiency for light load, while …
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Investigation of a GaN-Based Power Supply Topology Utilizing Solid State Transformer for Low Power Applications
<p>Gallium nitride (GaN) power devices exhibit a much lower gate capacitance for a similar on-resistance than its silicon counterparts, making it highly desirable for high-frequency operation in switching converters, which leads to their significant benefits on power density, cost, and system …
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A Two-mode Buck Converter toward High Efficiency for the Entire Load Range for Low Power Applications
… it is essential to increase the efficiency of power converters, especially at light load. This thesis research investigated a power converter to supply power for the microprocessor of a smart camera. The input voltage of the converter is 5 V, and the output voltage is 1.2 V with the load …
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A 0.45 V low power high PSRR subthreshold CMOS voltage reference
… higher supply voltage, which might not meet the low voltage constraints for low-power applications such as passive RFID’s, wearable and implantable medical devices. Also, BGRs use resistors that need more area on silicon. One possible solution to meet the low power requirement is to operate …
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Low Power Demodulator Design for RFID Applications
Power consumption is a key issue in today's digital and analog design for various portable devices. Radio frequency identification (RFID) is a technology which requires very low power and it uses electromagnetic waves in the radio frequency to transmit the ID of objects. It has a broad range of …
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A low-power, high-bandwidth LDO voltage regulator with no external capacitor
A low-dropout (LDO) voltage regulator for low-power applications is designed without an external capacitor for compensation. The regulator has two stages, the first a folded cascode amplifier and the second a large pass transistor acting as a common-source amplifier. To better explore the tradeoff …
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Analysis and characterization of slab-coupled optical waveguide amplifiers and lasers
… significant advantages in size, weight, and power consumption (SWAP) and to their capability for photonic integration. However, these devices traditionally suffer from low fiber coupling efficiency and have been limited to relatively low power applications. This thesis explores the potential …
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A single stage power factor corrected AC/DC converter
Applications for AC/DC converters that require high input power factor has been traditionally implemented by two power stages. In order to provide a cost effective and high density solution for low power applications, this thesis proposes a single stage isolated converter topology designed to …
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Low energy digital circuit design using sub-threshold operation
… to deep sub-micron dimensions has made power management a significant concern for circuit designers. For emerging low power applications such as distributed micro-sensor networks or medical applications, low energy operation is the primary concern instead of speed, with the eventual goal …
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A Cost-Efficient Digital ESN Architecture on FPGA
… of digital signal processors (DSPs) to target low-cost and low-power applications. We propose a cost-optimized and scalable ESN architecture on FPGA, which exploits Xilinx DSP48E1 units to cut down the need of configurable logic blocks (CLBs). The proposed work includes a linear combination …
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An AC-AC inverter for high frequency power distribution system
Future computer and telecommunication power distribution systems require the power source to be high frequency ac type and be combined with line current Power Factor Correction that satisfies IEC 1000-3-2 standard. In addition, low power applications require high efficiency, high power density and …
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