Sökning: "collector resistance"

Visar resultat 1 - 5 av 17 avhandlingar innehållade orden collector resistance.

  1. 1. DC Parameter Extraction and Modeling of Bipolar Transistors

    Författare :Martin Linder; KTH; []
    Nyckelord :bipolar transistors; papameter extraction; test structure; modeling; distributed model; base resistance; emitter resistance; collector resistance;

    Sammanfattning : .... LÄS MER

  2. 2. Simulation and Characterization of Silicon Carbide Power Bipolar Junction Transistors

    Författare :Benedetto Buono; Mikael Östling; Gunnar Malm; Martin Domeij; Lothar Frey; KTH; []
    Nyckelord :ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; silicon carbide; power device; BJT; diode; simulation; characterization; current gain; on-resistance; breakdown voltage; forward voltage drop; degradation; SRA - ICT; SRA - Informations- och kommunikationsteknik;

    Sammanfattning : The superior characteristics of silicon carbide, compared with silicon, have suggested considering this material for the next generation of power semiconductor devices. Among the different power switches, the bipolar junction transistor (BJT) can provide a very low forward voltage drop, a high current capability and a fast switching speed. LÄS MER

  3. 3. Characterisation of materials for use in the molten carbonate fuel cell

    Författare :Sara Randström; KTH; []
    Nyckelord :ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; Molten Carbonate Fuel Cell; Anode Current Collector; Cathode; Wet-seal; Chemical engineering; Kemiteknik;

    Sammanfattning : Fuel cells are promising candidates for converting chemical energy into electrical energy. The Molten Carbonate Fuel Cell (MCFC) is a high temperature fuel cell that produces electrical energy from a variety of fuels containing hydrogen, hydrocarbons and carbon monoxide. LÄS MER

  4. 4. New Materials for the Molten Carbonate Fuel Cell

    Författare :Sara Randström; Carina Lagergren; Michel Cassir; KTH; []
    Nyckelord :NATURAL SCIENCES; NATURVETENSKAP; NATURVETENSKAP; NATURAL SCIENCES; Molten Carbonate Fuel Cell; Anode current collector; Cathode; Wet-seal; Ionic liquid; TFSI; Smältkarbonatbränslecell; Anodströmtilledare; Katod; Wet-seal; Jonvätska; TFSI; Electrochemistry; Elektrokemi;

    Sammanfattning : Smältkarbonatbränslecellen (MCFC) är en högtemperaturbränslecell för stationära applikationer. Den har samma höga totalverkningsgrad som konventionella kraftvärme-anläggningar, men kan byggas i mindre moduler (från 250 kWe). LÄS MER

  5. 5. Device design and process integration for SiGeC and Si/SOI bipolar transistors

    Författare :Erik Haralson; KTH; []
    Nyckelord :Silicon-Germanium SiGe ; SiGeC; heterojunction bipolar transistor HBT ; nickel silicide; selectively implanted collector SIC ; device simulation; SiGeC layer staiblity; high resolution x-ray diffraction HRXRD ; silicon-on.insulator SOI ; self-heating;

    Sammanfattning : SiGe is a significant enabling technology for therealization of integrated circuits used in high performanceoptical networks and radio frequency applications. In order tocontinue to fulfill the demands for these applications, newmaterials and device structures are needed. LÄS MER