Search for dissertations about: "Large-signal modeling"

Showing result 1 - 5 of 11 swedish dissertations containing the words Large-signal modeling.

  1. 1. Large-Signal Modeling of Microwave Transistors

    Author : Lars Bengtsson; Chalmers tekniska högskola; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; large-signal; HEMT; non-linear models; de-embedding; high-efficiency; class-E amplifier; LDMOS; HBT; HFET; model parameter extraction; microwave transistors;

    Abstract : The development of computer aided design tools for microwave circuit design has increased the interest for accurate transistor models. The circuit complexity has grown as the CAD tools have been improved and the need to predict how non-linear circuits behave has also been increased. READ MORE

  2. 2. Silicon Germanium heterojunction bipolar transistors : Large-signal modeling and low-frequency noise characterization aspects

    Author : Staffan Bruce; Uppsala universitet; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Materials science; Silicon Germanium; SiGe; Heterojunction Bipolar Transistor; HBT; Large-signal modeling; thermal time constant; low-frequency noise: coherence; transimpedance amplifier; Materialvetenskap; Materials science; Teknisk materialvetenskap; Elektronik; Electronics;

    Abstract : In this thesis, aspects of the Silicon Germanium (SiGe) Heterojunction Bipolar Transistor (HBT) are addressed. A physics-based electrical large-signal model including thermal dependence has been developed and is implemented using a commercially available simulator package. READ MORE

  3. 3. Microwave and millimeter wave CMOS Characterization, modeling, and design

    Author : Mattias Ferndahl; Chalmers tekniska högskola; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; load-pull; microwave; large-signal; silicon; characterization; modeling; balun; LSNA; frequency doubler; millimeter wave; power amplifier; CMOS;

    Abstract : The use of CMOS technologies for microwave and millimeter wave applications has recently been made possible as a result of increased transistor performance. The fT and fmax have, for example, passed 100 GHz at the 130 nm node and 200 GHz at the 65 nm node. READ MORE

  4. 4. Experimentally Based HFET Modeling for Microwave and Millimeter Wave Applications

    Author : Mikael Garcia; Chalmers tekniska högskola; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; MODFET; soft-breakdown; cold FET; large-signal; source balance; SDHT; dispersion; noise figure; temperature noise model; small-signal; TEGFET; direct extraction; Chalmers model; noise parameters; modeling; HEMT; HFET; noise;

    Abstract : Transistor models are very important in the design of Monolithic Microwave Integrated Circuits (MMICs). Circuit simulations based on accurate transistor models are one of the keys to high circuit yield. Transistor models can also be used to trace problems in the device fabrication processes. READ MORE

  5. 5. Microwave FET Modeling and Applications

    Author : Christian Fager; Chalmers tekniska högskola; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; MESFET; uncertainty; model; FMCW; statistical; HEMT; small-signal; extraction; distortion; intermodulation; CMOS; LDMOS; power amplifier; estimation; FET; large-signal; radar; AM noise;

    Abstract : This thesis deals with three distinct topics within the areas of modeling, analysis and circuit design with microwave field effect transistors (FETs). First, the extraction of FET small-signal model parameters is addressed. READ MORE