Search for dissertations about: "high-frequency"

Showing result 6 - 10 of 729 swedish dissertations containing the word high-frequency.

  2. 6. Graphene field-effect transistors for high frequency applications

    Author : Muhammad Asad; Chalmers tekniska högskola; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; high frequency; Graphene; transit frequency; transconductance; maximum frequency of oscillation; contact resistance; microwave electronics; field-effect transistors;

    Abstract : 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. READ MORE

  4. 7. Alternative electronic packaging concepts for high frequency electronics

    Author : Wolfgang Peter Siebert; Sture Petersson; Shaofang Gong; KTH; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Electrical engineering; Connector; cooling; electronic; elastomer interconnect; EMC; shielded enclosure; high frequency; PCB; PWB; reverberation chamber; seams; soldering; twisted pair cable; Elektroteknik; Electrical engineering; Elektroteknik;

    Abstract : The aim of the research work presented here, is to contribute to the adaptation of electronic packaging towards the needs of high frequency applications. As the field of electronic packaging stretches over several very different professional areas, it takes an interdisciplinary approach to optimize the technology of electronic packaging. READ MORE

  5. 8. High frequency electronic packaging and components : characterization, simulation, materials and processing

    Author : Christian Johansson; Mats Robertsson; Li-Rong Zheng; Linköpings universitet; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Dielectric loss; high frequency electrical characterization; microwave circuits; multilayer thin film technology; ORMOCER®; permittivity; printed diode; sequential build-up; silicone elastomer; Signal processing; Signalbehandling;

    Abstract : 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 and high frequency devices have led to the search for new materials, material combinations, methods, processes and production equipment. READ MORE

  6. 9. Time series modelling of high frequency stock transaction data

    Author : Shahiduzzaman Quoreshi; Kurt Brännäs; Per Johansson; Umeå universitet; []
    Keywords : Economics; Count data; Intra-day; High frequency; Time series; Estimation; Long memory; Finance; Nationalekonomi; Econometrics; ekonometri;

    Abstract : .... READ MORE

  7. 10. Design, Processing, and Characterization of High Frequency Flip Chip Interconnects

    Author : Wei-Cheng Wu; Chalmers tekniska högskola; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; coaxial; microwave; interconnect; transition; high frequency; microstrip; coplanar waveguide; flip chip; hot-via; packaging;

    Abstract : The demands for high frequency interconnect techniques for microwave integrated circuits (ICs) are growing with increasing operating frequencies of wireless communication systems. Interconnects have significant effect and impact on the overall system performance at high frequencies. READ MORE