Sökning: "Balun"

Visar resultat 1 - 5 av 22 avhandlingar innehållade ordet Balun.

  1. 1. Periodic structures and lumped elements in microwave passives

    Författare :Dan Kuylenstierna; Chalmers University of Technology; []
    Nyckelord :Passive elements; Lumped elements; Photonic bandgap; Metamaterial; MMIC; Electromagnetic bandgap; Ferroelectric; Quadrature hybrid; Quadrature power splitter; Balun; Periodic structures;

    Sammanfattning : The ambition of this work is the incorporation of ferroelectric varactors as tuneable elements in Si integrated circuits (ICs). This thesis presents partialfulfillments of the work. LÄS MER

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

    Författare :Mattias Ferndahl; Chalmers University of Technology; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; load-pull; microwave; large-signal; silicon; characterization; modeling; balun; LSNA; frequency doubler; millimeter wave; power amplifier; CMOS;

    Sammanfattning : 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. LÄS MER

  4. 3. Some studies on metamaterial transmission lines and their applications

    Författare :Xin Hu; Sailing He; Ferran Martin; KTH; []
    Nyckelord :ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; metamaterial; transmission line theory; composite right left-handed transmission line; diplexer; coupler; balun; interdigital capacitor; split ring resonator; Electrical engineering; Elektroteknik;

    Sammanfattning : This thesis focuses mostly on investigating different potential applications of meta-transmission line (TL), particularly composite right/left handed (CRLH) TL, and analyzing some new phenomena and applications of meta-TL, mostly left-handed (LH) TL. Realization principle will also be studied. LÄS MER

  5. 4. Monolithic Micro- and Millimeter-wave Integrated Circuits in 90 nm CMOS Technology

    Författare :Bahar M. Motlagh; Chalmers University of Technology; []
    Nyckelord :power divider; CMOS integrated circuits; 90 nm CMOS technology; 60 GHz; microstrip line; Si-MMIC; capacitor; balun; millimeter wave; resistive mixer;

    Sammanfattning : The objective of this work has been to design and characterize microwave components and circuits within a 90 nm RF-CMOS process.The work has been divided into two parts: integration of passive components and design and characterization of several mixer circuits. LÄS MER

  7. 5. Design and Characterization of D-band Monolithic Direct Carrier Modulator and Demodulator Circuits for High Speed Wireless Communication

    Författare :Sona Carpenter; Chalmers University of Technology; []
    Nyckelord :modulator; MMIC; Double-Heterojunction Bipolar Transistor DHBT ; demodulator; balun; D-band; InP; Gilbert cell; Quadrature; differential coupler;

    Sammanfattning : Millimeter waves are finding increasing applications in data communication, sensing,imaging and radio astronomy. One application is in high-speed wireless back-haul networksfor mobile communication. The operators are interested in replacing optical fiber withthe more flexible and easy to deploy wireless link. LÄS MER