Sökning: "high frequency"

Visar resultat 1 - 5 av 2226 avhandlingar innehållade orden high frequency.

  1. 1. Graphene field-effect transistors for high frequency applications

    Detta är en avhandling från Gothenburg : Chalmers tekniska högskola

    Författare :Muhammad Asad; [2019]
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; transconductance; Graphene; maximum frequency of oscillation; field-effect transistors; high frequency; contact resistance; microwave electronics; transit frequency;

    Sammanfattning : Rapid development of wireless and internet communications requires development of new generation high frequency electronics based on new device concepts and new materials. The very high intrinsic velocity of charge carriers in graphene makes it promising new channel material for high frequency electronics. LÄS MER

  2. 2. High frequency electronic packaging : SBU-materials, material characterization, simulation and processing

    Detta är en avhandling från Linköping : Linköpings universitet

    Författare :Christian Johansson; Linköpings universitet.; Linköpings universitet.; [2003]
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; dielectric loss; high frequency electrical characterization; microwave circuits; multilayer thin film technology; ORMOCER; permittivity; sequential build up; silicone elastomer;

    Sammanfattning : Electronic packaging continues to move towards improved performance and lower cost. Requirements of higher performance, reduced size, weight and cost of both High Density Interconnects (HDI) and high frequency (HF) devices has led to the search for new: materials, material combinations, methods, processes and production equipment. LÄS MER

  3. 3. On high-frequency soft-switching DC-converters for high-voltage applications

    Detta är en avhandling från Stockholm : Elektrotekniska system

    Författare :Per Ranstad; KTH.; [2004]
    Nyckelord :soft-switching; dc-converter; high-frequency; high-voltage;

    Sammanfattning : .... LÄS MER

  4. 4. Flip chip for high frequency applications : materials aspects

    Detta är en avhandling från Örebro : Örebro universitetsbibliotek

    Författare :Katarina Boustedt; Örebro universitet.; [2007]
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Flip chip; underfill; bumping; microwave; gallium arsenide; high frequency; thermocompression; soldering; stud bumps; coplanar waveguide; TECHNOLOGY Electrical engineering; electronics and photonics; TEKNIKVETENSKAP Elektroteknik; elektronik och fotonik; Elektronik; Electronics;

    Sammanfattning : Flip chip has since decades been the primary choice for chip interconnect for high performance circuits. Over the last few years, interest from the microwave arena has increased, and at this point in time microwave flip chip is a possible option for volume production. LÄS MER

  5. 5. High Frequency Characterization and Modeling of SiGe Heterojunction Bipolar Transistors

    Detta är en avhandling från Kista : Mikroelektronik och informationsteknik

    Författare :B. Gunnar Malm; KTH.; [2002]
    Nyckelord :Silicon-Germanium SiGe ; heterojunction bipolar transistor HBT ; low-frequency noise; high-frequency noise; harmonic distortion; linearity; device simulation; collector profile; epitaxial base integration; radio frequency RF ; radio frequency inte;

    Sammanfattning : .... LÄS MER