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 38 for “"CIRCUIT TECHNIQUES"”.
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Circuit Techniques for Multiple and Wideband Beamforming
… active area of 0:65mm2 excluding pads and test circuits. Second, a wideband phased array receiver architecture with simultaneous spectral and spatial filtering by sub-harmonic injection oscillators is presented. The design avoids using expensive delay elements by many conventional wideband …
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Power-efficient high-speed interface circuit techniques
… graphics, chip-to-chip and network onchip. I/O circuitry is becoming the major power consumer in SoC processors and memories as the increasing bandwidth demands larger per-pin data rate or larger I/O pin count per component. The aggregate I/O bandwidth has approximately doubled every three to …
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ENERGY EFFICIENT CIRCUIT TECHNIQUES FOR SUCCESSIVE APPROXIMATION REGISTER ADC
… consumed by CS capacitor arrays and comparator circuits. This Dissertation presents circuit techniques to reduce the power consumption of both CS capacitor array and the latch comparator during ADC operations. The impacts of the proposed techniques on ADC accuracies are analyzed and circuit …
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LOW-POWER LOW-VOLTAGE ANALOG CIRCUIT TECHNIQUES FOR WIRELESS SENSORS
… investigates lower-power lower-voltage analog circuit techniques suitable for wireless sensor applications. Wireless sensors have been used in a wide range of applications and will become ubiquitous with the revolution of internet of things (IoT). Due to the demand of low cost, miniature …
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Circuit techniques for subthreshold leakage reduction in a deep sub-micron process
Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2002.
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Energy-Efficient Neural Network Hardware Design and Circuit Techniques to Enhance Hardware Security
… devices. To fulfill this goal, innovative design techniques are needed to improve energy-efficiency, form factor, and as well as the security of AI chips. In this dissertation, two topics are focused on to address these challenges: building energy-efficient AI chips based on various neural network …
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Design of Energy Efficient SOC With PIM Architecture and Deep Submicron Circuit Techniques
… number of gates in future VLSI chips, sub-1-V circuit techniques to suppress leakage current while meeting performance requirement are developed. High efficient charge recycling logic using charge sharing in the precharge cycle with no pre-evaluation problems and using ac power clocks with …
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Trust in analog : analog circuit techniques for reducing the risk of malicious circuits and software
Malicious circuits and software present a significant security risk, especially in control applications. This work is concerned with increasing the trustworthiness of control circuitry by reducing its complexity. The security benefits of substituting analog control techniques in place of digital …
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Subthreshold leakage control techniques for low power digital circuits
… of total power dissipation. As a result, new techniques are needed in order to provide high performance and low power circuit operation. This dissertation develops new circuit techniques that exploit dual threshold voltages and body biasing in order to reduce subthreshold leakage currents in …
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A continuous-time multi-stage noise-shaping delta-sigma modulator for next generation wireless applications
… SMASH architecture is implemented with several circuit techniques suitable for high operation speed. These circuit techniques allow the proposed CT [delta][sigma] modulator to achieve wide bandwidth, high resolution, and low power consumption for modern wireless communication applications. As a …
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EFFICIENT VOLTAGE REGULATION USING SWITCHED CAPACITOR DC/DC CONVERTER FROM BATTERY AND ENERGY HARVESTING POWER SOURCES
… technologies require the power management circuit be efficient, small and cost effective. The switched-capacitor (SC) converter provides a trade-off between the efficiency, the size and the cost that is desirable in many of these new portable technologies. This dissertation investigates …
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On-Chip Network exploration and synthesis
… We also studied the impact of applying advanced circuit techniques to these architecture proposals and how to implement these techniques while realizing a NoC design. The thesis begins with an evaluation of physical express topologies and the virtual express topologies that enable the bypassing …
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Goal-oriented hardware design
… relies on two fundamental concepts-Goals and Techniques. Goals encode decision points and Techniques are scripts that describe how to satisfy Goals. In Fide, Goals represent the functional requirements (e.g., addition of two 32-bit binary integers) of the target circuit. Techniques represent …
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Technology Mapping, Design for Testability, and Circuit Optimizations for NULL Convention Logic Based Architectures
<p>Delay-insensitive asynchronous circuits have been the target of a renewed research effort because of the advantages they offer over traditional synchronous circuits. Minimal timing analysis, inherent robustness against power-supply, temperature, and process variations, reduced energy …
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Design of a low power VLSI systems powered by ambient mechanical vibration
… chip demonstrates appropriate architectural and circuit techniques for low to medium throughput sensor applications. It consumes 550 n W at 1.5 V with a 1 kHz clock frequency.
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A time-interleaved Zero-Crossing-Based analog-to-digital converter
… feedback loop. The switched capacitor multiplier circuit in pipelined ADC is one application which has been hindered by op-amp limitations. Zero Crossing Based (ZCB) switched-capacitor topologies have been proposed as an alternative to op-amp based circuits because ZCB circuits do not suffer from …
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An energy efficient RF transceiver for wireless microsensor networks
… leverages SAW components and through advanced circuit techniques. The transceiver is power-aware, able to scale power consumption in response to operating conditions. Circuit optimizations are made in both high frequency and baseband circuits to minimize the number of off-chip components and to …
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Micron-scale thermistors for rapid transients in interfacial temperature
… which are built using standard integrated-circuit techniques. A complete data acquisition system was built around the sensors, including various signal-conditioning hardware and software. The integrated-circuit processes to build our microsensors limit our choices of target materials. …
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Equalized on-chip interconnect : modeling, analysis, and design
This thesis work explores the use of equalization techniques to improve throughput and reduce power consumption of on-chip interconnect. A theoretical model for an equalized on-chip interconnect is first suggested to provide mathematical formulation for the link behavior. Based on the model, a …
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Passive switched-capacitor based filter design, optimization, and calibration for sensing applications
… nonlinear computation errors are modeled, and circuit techniques for their reduction are developed. Simulations are used to optimize power and computational dynamic range. For spectrum sensing, the design of CRAFT (Charge Re-use Analog Fourier Transform): an RF front-end channelizer for …
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