Search for dissertations about: "diode mixer"
Showing result 1 - 5 of 7 swedish dissertations containing the words diode mixer.
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1. Silicon Carbide Microwave Devices
Abstract : This work deals with silicon carbide (SiC) microwave devices. It treats two devices; the Schottky diode and the metal semiconductor field effect transistor (MESFET). Different MESFET materials, fabrication processes, theoretical models for physical simulation, and device models are presented. READ MORE
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2. Reliable and Efficient Microwave Circuits for Space Applications
Abstract : In this thesis, reliable and efficient microwave circuits used in space applications, e.g. satellite transponder systems, are discussed. The main focus is on mixers, multipliers and power amplifiers. READ MORE
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3. Subharmonic Sideband Separating Schottky Diode Mixer for Submillimetre Wave Applications
Abstract : .... READ MORE
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4. Design and characterisation of terahertz Schottky diode harmonic mixers
Abstract : Efficient, compact, and reliable terahertz frequency converters preferably operating at ambient temperature are crucial for stabilising far-infrared optical sources. This thesis focuses on the design and characterisation of terahertz Schottky diode harmonic mixers for frequency stabilisation of quantum-cascade lasers. READ MORE
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5. Advanced Schottky Diode Receiver Front-Ends for Terahertz Applications
Abstract : This thesis treats the development of high frequency circuits for increased functionality of terahertz receiver front-ends based on room temperature Schottky diode technology. This includes the study of novel circuit integration schemes, packaging concepts as well as new measurement and characterisation techniques. READ MORE