Sökning: "low noise"

Visar resultat 1 - 5 av 731 avhandlingar innehållade orden low noise.

  1. 1. Low phase noise voltage controlled micro- and millimeter wave oscillators

    Författare :Stefan Andersson; Chalmers University of Technology; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; radio; anti series; microstrip resonator; silicon bipolar transistor; amplitude limiter; cavity resonator; varactor; transposed gain; MESFET; automatic gain control; VCO; delay line; laser; RF; oscillation criteria; millimetre wave; oscillator; mm-wave; noise; multiplier; fibre optic; SAW; DRO; PLL; surface acoustic wave; Si BJT; 1 f noise; FM noise; HEMT; clipping diode; HBT; YIG sphere; device; terfenol; gunn diode; stabilised; YIG film; quarts crystal; phase locked loop; magnetostrictive; resonator; phase error; whispering gallery mode; sapphire resonator; Fabry-Perot resonator; PHEMT; microwave; HFET; phase noise; DR; dielectric resonator; PM noise; balanced oscillator; piezo electric; AGC; frequency discriminator;

    Sammanfattning : .... LÄS MER

  2. 2. A study of oscillator phase noise

    Författare :Mikko Sironen; Chalmers University of Technology; []
    Nyckelord :low frequency noise; phase noise; linear noise; mm-wave oscillator; nonlinear noise; oscillator noise; oscillator noise reducion;

    Sammanfattning : .... LÄS MER

  3. 3. Gearbox noise : Correlation with transmission error and influence of bearing preload

    Författare :Mats Åkerblom; Sören Andersson; D. Houser; KTH; []
    Nyckelord :gear; gearbox; noise; vibration; transmission error; bearing preload; Mechanical engineering; Maskinteknik;

    Sammanfattning : The five appended papers all deal with gearbox noise and vibration. The first paper presents a review of previously published literature on gearbox noise and vibration. The second paper describes a test rig that was specially designed and built for noise testing of gears. LÄS MER

  4. 4. GaN HEMT Low Frequency Noise Characterization for Low Phase Noise Oscillator Design

    Författare :Thi Ngoc Do Thanh; Chalmers University of Technology; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Low frequency noise; flicker noise; phase noise; deposition method.; oscillator; VCO; GaAs pHEMT; MMIC; GaN HEMT; passivation; InGaP HBT;

    Sammanfattning : The thesis presents low frequency noise (LFN) characterization of Gallium Nitride (GaN) High Electron Mobility Transistors (HEMTs) for low phase noise oscillator design. First, GaN HEMT technology is benchmarked versus other transistor technologies, e.g. LÄS MER

  5. 5. Cryogenic low noise amplifiers for microwave frequencies

    Författare :Jianguo Xu; Chalmers University of Technology; []
    Nyckelord :MODFET; cryogenic; millimeter-wave; low-noise amplifier; FET noise model; microwave; TEGFET; HEMT; noise measurement; HFET; computer-aided design;

    Sammanfattning : .... LÄS MER