Index Catalog // ScholarsArchive@OSU

A 6% efficient MIS particulate silicon solar cell

Creator:: Greer, Michael R.
Resource Type:: Masters Thesis
Full Text:: Silicon Solar Cell Design and Construction 23 A. Material Selection 23 B. PSSC Construction 24 IV

A balanced three-phase liquid loading rheostat

Creator:: Johnson, Alan Kellogg and Engle, John Franklin
Resource Type:: Masters Thesis
Full Text:: RhEOSTAT DTRODUCTION The design and development of a balanced, three-phase llq.uid loading rheostat

A base control Doherty power amplifier design for improved efficiency in GSM handsets

Creator:: Ferwalt, Darren W.
Abstract:: In cellular telephones, RF power amplifiers consume a significant part of the total phone current. Reducing the average PA current will extend battery life. In GSM systems the handset is commanded by the base station to transmit at power levels lower than full power much of the time. A Doherty...
Resource Type:: Masters Thesis
Full Text:: , and only lumped element matches are used. Each amplifier is a two-stage design to provide enough

A linear test bed for characterizing the performance of ocean wave energy converters

Creator:: Hogan, Peter M.
Abstract:: Determining the performance characteristics of various ocean wave energy converters (OWEC) has proven to be difficult due to problems replicating a baseline motion profile in the ocean or wave tank to compare these devices. The linear test bed seeks to mechanically simulate the relative linear motion between the active components...
Resource Type:: Masters Thesis
Full Text:: only a position feedback control system. The linear test bed design, position control system, and a

A low cost AC motor drive for battery powered applications

Creator:: Wiley, Brian
Abstract:: Environmental concerns have renewed the interest in electric vehicles. To gain widespread use, electric vehicles will also have to offer good performance and be reasonably priced. AC drive systems using modern semiconductors can provide efficient operation at the required power levels, but their cost at present is still too high....
Resource Type:: Masters Thesis
Full Text:: vehicles. To gain widespread use, electric vehicles will also have to offer good performance and be

A novel control design for a wave energy converter

Creator:: Schacher, Alphonse A.
Abstract:: Ocean wave energy is rapidly becoming a field of great interest in the world of renewable energy. Significant advancements in design and technology are being made to make wave energy a viable alternative for our growing energy demands. The two major hurdles for ocean wave energy to make a significant...
Resource Type:: Masters Thesis
Full Text:: interest in the world of renewable energy. Significant advancements in design and technology are being

A portable 750 kilovolt Van de Graaff generator

Creator:: Fry, Willis Edmond
Resource Type:: Masters Thesis
Full Text:: help with design; and also to other members of the Physics Department staff for their activo

A practical implementation of self-efficacy theory to improve the engineering curriculum

Creator:: Plisch, Marjorie
Abstract:: What are the most effective ways to improve the engineering curriculum? Improvements should result in increased student retention, undergraduates who are more industry-ready and graduates who are better prepared to be leaders. Current research suggests that the best predictor of persistence is a person’s self-efficacy. The focus of this thesis...
Resource Type:: Masters Thesis
Full Text:: teaching techniques and draws on other disciplines. A design, implementation and evaluation of a

A programmable BiCMOS transconductance-capacitor filter for high frequencies

Creator:: Beck, Jeffery S.
Abstract:: With advancements in CMOS technology, high speed analog circuits that were traditionally implemented with discrete circuit components can now be made monolithically. Antialiasing filters for video signals as well as signal conditioning filters in high speed communication channels are examples of applications where high frequency integrated circuits are now feasible....
Resource Type:: Masters Thesis
Full Text:: This thesis covers the design and implementation of a 4th-order Chebychev low- pass filter with a

A tunable duty-cycle-controlled switched-R-MOSFET-C CMOS filter for low-voltage and high-linearity applications

Creator:: Xiao, Ying
Abstract:: A novel switched-R-MOSFET-C input branch is proposed for low-voltage and high-linearity applications. The tunability is achieved by varying the clock duty cycle using an automatic tuning circuit. This tuning method does not involve a change in gate voltage, and is therefore particularly suitable for low-voltage applications. The advantages of the...
Resource Type:: Masters Thesis
Full Text:: . The advantages of the proposed method are illustrated with the design and simulation of a high-Q

ScholarsArchive@OSU

A 6% efficient MIS particulate silicon solar cell

A balanced three-phase liquid loading rheostat

A base control Doherty power amplifier design for improved efficiency in GSM handsets

A linear test bed for characterizing the performance of ocean wave energy converters

A low cost AC motor drive for battery powered applications

A novel control design for a wave energy converter

A portable 750 kilovolt Van de Graaff generator

A practical implementation of self-efficacy theory to improve the engineering curriculum

A programmable BiCMOS transconductance-capacitor filter for high frequencies

A tunable duty-cycle-controlled switched-R-MOSFET-C CMOS filter for low-voltage and high-linearity applications

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