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 795 for “"capacitance"”.
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Efficient three-dimensional capacitance calculation
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1993.
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A novel hypothesis for plant capacitance
… reported linear correlations between electrical capacitance, measured between an electrode inserted at the base of a plant and an electrode in the rooting substrate, and root mass. The measured capacitance is conventionally interpreted using the electrical model of F.N. Dalton in which roots are …
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An Investigation of Resistance-Capacitance Networks
Made available in DSpace on 2014-12-04T21:02:32Z (GMT). No. of bitstreams: 1 0002744.pdf: 4804556 bytes, checksum: 900131e5d8e7831378e0300b92a85008 (MD5) Previous issue date: 1951
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Interconnect capacitance extraction under geometric uncertainties
… For instance, extraction of interconnect capacitance is needed for the prediction of interconnect-induced delay, crosstalk, and other signal distortion related effects that are used to guide IC routing and floor planning. The continuous progress of semiconductor technology is leading ICs …
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Material phase detection using capacitance tomography
… a tomographic imaging system based on electrical capacitance sensors is of interest in many different engineering applications. This can be especially beneficial in industrial two-component flow systems where capacitance tomography may provide information on how the two components are distributed, …
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Analysis of inductance-capacitance voltage-controlled oscillators
This thesis focuses on analysis of inductance-capacitance voltage-controlled oscillators (LC VCOs), specifically, double switch cross-coupled oscillators. Fundamentals on LC VCOs, like oscillation conditions, classical LC VCO architectures, inductor and capacitor choices, and phase noise …
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Quantitative capacitance measurements using a scanning probe microscope
… which an atomic force microscope with scanning capacitance microscopy (SCM) capability can be employed in a nontraditional fashion to quantitatively measure the capacitance of metal-oxide-semiconductor (MOS) structures. The capability to deduce sample capacitances is based on resonant frequency …
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Operational Amplifier Bandwidth Extension Using Negative Capacitance Generation
… The proposed method of this thesis uses Negative Capacitance Generation (NCG), which involves using the Miller effect to generate an equivalent negative capacitance at a given node in a circuit, to extend the bandwidth of an op-amp. This is accomplished by first applying NCG to the second stage of …
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Active filter techniques for reducing EMI filter capacitance
Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2002.
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Energy efficient computing : from nanotubes to negative capacitance
… of new device physics (specifically, negative capacitance), as well as new device geometries (specifically, back-gate geometries). Yet despite this potential, there is a major challenge: while new nanomaterials introduce many new opportunities (as mentioned above), they simultaneously introduce …
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Quantum capacitance measurements of single-layer molybdenum disulfide
… fabricated with the goal of measuring quantum capacitance and probing the transition metal dichalcogenide's density of states. In the final devices, no modulation of the quantum-capacitance was observed due to large Schottky barriers between the metal contacts and the molybdenum disulfide. …
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A high resolution capacitance-based lateral position microsensor
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 1997.
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Quantum capacitance in scaled down III-V FETs
… approach is the relatively small inversion-layer capacitance that is associated with a low-effective mass channel and the limits that this imposes on the gate capacitance that can be attained from barrier thickness scaling. This can seriously limit the current driving ability of scaled down …
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Development of Adapted Capacitance Manometer for Thermospheric Applications
An adapted capacitance manometer is a sensor composed of one fixed plate and one movable plate that is able to make accurate pressure measurements in a low pressure environment. Using detection circuitry, a change in capacitance between the two plates can be measured and correlated to a …
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Capacitance spectroscopy on copper indium diselenide based solar cells
The influence of gallium on the electronically active defects in copper indium diselenide based solar cells is examined. The aim is to clarify whether any detrimental deep levels are responsible for the only sublinear increase in open circuit voltage with increasing band gap for devices with molar …
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Power and performance optimization of negative capacitance transistor circuits
Negative Capacitance Field Effect Transistor (NCFET) is an emerging technology solution for achieving extremely low power and high performance. The negative capacitance exhibited by the ferroelectric layer of the transistor results in very high effective gate capacitance leading to electrostatic …
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