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Visar resultat 1 - 5 av 23 avhandlingar som matchar ovanstående sökkriterier.

  1. 1. Programmable and Tunable Circuits for Flexible RF Front Ends

    Författare :Naveed Ahsan; Aziz Ouacha; Sten Gunnarsson; Linköpings universitet; []
    Nyckelord :Microwave circuits; phase shifters; programmable circuits; active corporate feed network; four-port circuit; generic cells; phase shift capability; programmable microwave function array; tunable recursive filter; TECHNOLOGY; TEKNIKVETENSKAP;

    Sammanfattning : Most of today’s microwave circuits are designed for specific function and specialneed. There is a growing trend to have flexible and reconfigurable circuits. Circuitsthat can be digitally programmed to achieve various functions based on specific needs. LÄS MER

  3. 2. Silicon photonic MEMS building blocks for low-power programmable circuits

    Författare :Pierre Edinger; Kristinn Gylfason; Frank Niklaus; Sangyoon Han; KTH; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Photonics; silicon photonics; MEMS; photonic MEMS; 3D printing; liquid crystals; programmable photonics; phase shifters; optical switches; ring resonators; Electrical Engineering; Elektro- och systemteknik;

    Sammanfattning : Silicon photonics, or the confinement and control of light in integrated silicon waveguides, has rapidly grown from research labs to high-end chips for telecommunications. With the associated improvements in waveguide performance, the technology is promising for a wide range of new applications, from computing to sensing. LÄS MER

  4. 3. On microwave low noise feedback amplifiers and control circuits

    Författare :Björn Albinsson; Chalmers tekniska högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Feedback; Phase shifter; Dual-gate phase shifter; Programmable load; Attenuator; Noise Transformations;

    Sammanfattning : .... LÄS MER

  5. 4. Classical and Quantum Correlations in Microwave Frequency Combs

    Författare :Shan Williams Jolin; David B. Haviland; Pertti Hakonen; KTH; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; Josephson junctions; parametric amplifiers; multipartite entanglement; microwaves; frequency comb; Gaussian states; bichromatic pump; surface acoustic waves; IQ mixer; fully inseparable states; superconducting circuits; hybrid circuits; intermodulation; nonlinear resonators; Material and Nano Physics; Material- och nanofysik;

    Sammanfattning : Denna avhandling undersöker korrelationer i frekvensdomänen, av både klassiskt och kvantmekaniskt ursprung, i icke-linjära mikrovågskretsar. Syftet är att utveckla en kompakt metod för att generera kvantmekaniska korrelationer mellan harmoniska oscillatorer (s.k. LÄS MER

  7. 5. Microwave and millimeter-wave FETs and noise parameter measurements

    Författare :Hans-Olof Vickes; Chalmers tekniska högskola; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Programmable load; Phase shifter; Active filters; Semiconductor devices and materials; Field-effect Transistors; Noise parameters; Equivalent circuits; Dual-gate MESFET; Circuit partitioning; Microwave devices and components;

    Sammanfattning : .... LÄS MER