Sökning: "electrothermal"

Visar resultat 1 - 5 av 9 avhandlingar innehållade ordet electrothermal.

  1. 1. Characterization and Compensation of Thermal Effects in GaN HEMT Technologies

    Detta är en avhandling från Gothenburg : Chalmers tekniska högskola

    Författare :Johan Bremer; [2020]
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; electrothermal; temperature compensation.; AlGaN GaN; thermal coupling; characterization; thermal effects; thermal resistance;

    Sammanfattning : Further advancements with GaN based technologies relies on the ability to handle the heat flux, which consequently arises from the high power density. Advanced cooling techniques and thermal optimization of the technology are therefore prioritized research areas. LÄS MER

  2. 2. The significance of calcium for the function of the pancreatic islet ß- and a2-cells : studies employing electrothermal atomic absorption spectrometry

    Detta är en avhandling från Uppsala : Acta Universitatis Upsaliensis

    Författare :Per-Olof Berggren; Uppsala universitet.; [1982]
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; MEDICINE; MEDICIN;

    Sammanfattning : .... LÄS MER

  3. 3. On Future Electricity Use : Air Conditioning and Electrothermal Processes

    Detta är en avhandling från Environmental and Energy Systems Studies, Lund university

    Författare :Tomas Ekwall; [1991]
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY;

    Sammanfattning : .... LÄS MER

  4. 4. Electrothermal Simulation in a Concurrent Waveform Relaxation Based Circuit Simulator

    Detta är en avhandling från Department of Applied Electronics, Lund University

    Författare :Magnus Wiklund; Lund University.; Lunds universitet.; [1998]
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Circuit synthesis; Bond graphs; Nullor; Circuit theory; Analog simulation; Circuit simulation; Multiprocessor computer; CONCISE; Parallel computation; Waveform relaxation; Thermal models; Transistor models; Electro-thermal simulation; Electro-thermal modeling; Translinear circuits; Electronics; Elektronik; Electrical engineering; Elektroteknik;

    Sammanfattning : The main purpose of this work is to study methods to simulate electro-thermal effects in integrated circuits using CONCISE a waveform relaxation based circuit simulator. WR is a method that is suitable to run on a multi-computer with state of the art computing power. Especially CMOS VLSI circuits have been simulated successfully with WR. LÄS MER

  5. 5. Nonlinear Characterisation and Modelling of Microwave Semiconductor Devices

    Detta är en avhandling från Department of Applied Electronics, Lund University

    Författare :Mattias Thorsell; [2011]
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; NATURVETENSKAP; NATURAL SCIENCES; noise modelling; nonlinear measurement; active load-pull; noise measurement; thermal characterisation; AlGaN GaN HEMT; nonlinear modelling;

    Sammanfattning : There is an increasing need for more accurate models taking into account the nonlinearities and memory effects of microwave transistors. The memory effects are especially important for transistor technologies suffering from relatively large low frequency dispersion, such as GaN baed HEMTs. LÄS MER