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Phase manipulation and its applications in microwave circuits /Wong, Ka Wai. January 2009 (has links) (PDF)
Thesis (M.Phil.)--City University of Hong Kong, 2009. / "Submitted to Department of Electronic Engineering in partial fulfillment of the requirements for the degree of Master of Philosophy." Includes bibliographical references.
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Simulation of nonlinear microwave circuits using harmonic balance methodWong, Wai Kuen. January 1988 (has links)
Thesis (M.S.)--Ohio University, November, 1988. / Title from PDF t.p.
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A small-signal modeling of GaAs FET and broad band amplifier designTan, Tiow Heng. January 1991 (has links)
Thesis (M.S.)--Ohio University, August, 1991. / Title from PDF t.p.
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Space mapping frameworks for modeling and design of microwave circuits /Ismail, Mostafa A. January 2001 (has links)
Thesis (Ph.D.) -- McMaster University, 2001. / Includes bibliographical references (leaves 145-152). Also available via World Wide Web.
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Simulation, design and fabrication of microwave ferrite components for monostatic radar applications /Adams, Ryan Seamus. January 1900 (has links)
Thesis (Ph. D., Electrical Engineering)--University of Idaho, July 2007. / Major professor: Jeffrey L. Young. Includes bibliographical references (leaves 133-137). Also available online (PDF file) by subscription or by purchasing the individual file.
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Finite-element analysis of high-frequency axisymmetric problems in electormagneticsGakuru, Mucemi Kanyugo January 1991 (has links)
No description available.
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Modelling and analysis of GaAs dual gate MESFETS microwave mixersXue, Hongxi January 1990 (has links)
No description available.
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Finite-difference time-domain method for combined large signal circuit and electromagnetic field analysisChen, Qiang January 1996 (has links)
No description available.
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Self-aligned gallium arsenide MESFETs for microwave integrated circuitsSutherland, David B. January 1988 (has links)
A refractory self-aligned gate fabrication process for gallium arsenide MESFETs has been developed and applied to a sample and hold circuit. The process has been shown to reduce the parasitic end resistance of MESFETs which can be a limiting factor in their microwave performance. A mask set was designed to be compatible with Cascade Inc. probes which allowed on chip microwave measurements to be made. Usable gain was measured up to 18GHz on FETs and 5GHz on buffer amplifiers with the microwave probes at the Communications Research Centre in Ottawa Ontario. The microwave probes were also used to test sample and hold operation. The maximum tested sampling rate was limited by the test equipment to 250 MHz.
The fabrication process included a plasma etch for producing an undercut 'T' gate structure for self-aligned ion implantation. A method of sputtering a thermally stable alloy of TiW refractory metal was developed to provide suitable Schottky contacts to GaAs. It was found that a rapid thermal anneal following the self-aligned implant maintained suitable TiW/GaAs Schottky characteristics and yielded MESFETs with reduced end resistance when compared to those fabricated by the more conventional selective implant process. A technique was developed to reduce the gate resistance of self-aligned MESFETs using an evaporated metal overlayer. Also, procedures for fabricating airbridges using a single evaporation and Metal-Insulator-Metal (MIM) capacitors using silicon nitride as the dielectric were developed. The effect of gate resistance on the microwave performance of the self-aligned MESFETs was investigated by modeling with the EEsof Inc. microwave software package, Touchstone. The modeling showed that self-aligned MESFETs are capable of giving greater high frequency gain than are selective implant devices with the same design geometry. The operation of the sample and hold circuit was simulated using a version of SPICE that included the Sussman Fort GaAs MESFET model. The simulations showed that the sample and hold could be used for gigahertz sampling. / Applied Science, Faculty of / Electrical and Computer Engineering, Department of / Graduate
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Advances in space mapping technology exploiting implicit space mapping and output space mapping /Cheng, Qingsha. Bandler, J. W. January 1900 (has links)
Thesis (Ph.D.)--McMaster University, 2004. / Advisor: J.W. Bandler. Includes bibliographical references (p. 131-139) and indexes. Also available via World Wide Web.
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