Search for dissertations about: "MMIC"

Showing result 1 - 5 of 60 swedish dissertations containing the word MMIC.

  1. 1. Wide Bandgap MMIC Technology

    Author : Mattias Sudow; Chalmers University of Technology; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Wide bandgap; AlGaN GaN; SiC MMIC; SiC MESFET; SiC Schottky; Microwave;

    Abstract : Wide bandgap technology for microwave electronics has been an intense area of research during the last decade. With reas of application ranging from base station amplifiers to radar transceivers, this technology has the resources to be the basis for the next generation of high power microwave electronics. READ MORE

  2. 2. MMIC-based Low Phase Noise Millimetre-wave Signal Source Design

    Author : Thi Ngoc Do Thanh; Chalmers University of Technology; []
    Keywords : millimetre-wave; MMIC; low frequency noise; phase noise; GaN HEMT; signal source; D-band; InP DHBT; deposition method.; SiGe BiCMOS; frequency multiplier; VCO; passivation;

    Abstract : Wireless technology for future communication systems has been continuously evolving to meet society’s increasing demand on network capacity. The millimetre-wave frequency band has a large amount of bandwidth available, which is a key factor in enabling the capability of carrying higher data rates. READ MORE

  3. 3. Integration of Planar Antennas with MMIC Active Frontends for THz Imaging Applications

    Author : Yogesh Karandikar; Chalmers University of Technology; []
    Keywords : Sub-Harmonic Resistive Mixer; Planar Antennas; Gaussian Coupling; MMIC; Gilbert Cell Mixer; THz;

    Abstract : In recent years, there has been constant growth in using THz frequencies or mm, sub- mm wavelengths for various applications such as: Astronomy, Atmospheric studies, security, bio-medical imaging. All these applications are now seen more feasible due to rapid enhancements of semi-conductor processing technologies. READ MORE

  4. 4. Development of SiC MESFET Based MMIC Technology

    Author : Mattias Sudow; Chalmers University of Technology; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; MIM capacitor; high power amplifier; limiter; SiC MMIC; SiC MESFET; SiC Schottky; TFR; high level mixer; spiral inductor; via-hole;

    Abstract : A SiC MESFET based MMIC process has been successfully developed. This technology has its main potential in high power microwave circuits. It will offer the benefits of the high integration seen in GaAs MMIC at the same time as it will offer the benefits of the high voltage operation seen in Si LDMOS and Si BJTs. READ MORE

  5. 5. Reliable and Efficient Microwave Circuits for Space Applications

    Author : Andreas Ådahl; Chalmers University of Technology; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; ZBD; PA; Class E; Zero Bias Diode; LDMOS; Mixer; MMIC; Satellite; Balun; Inverse class F; Novel; Multiplier; mHEMT; Power amplifier; Converter;

    Abstract : In this thesis, reliable and efficient microwave circuits used in space applications, e.g. satellite transponder systems, are discussed. The main focus is on mixers, multipliers and power amplifiers. READ MORE