Sökning: "1 F NOISE"

Visar resultat 1 - 5 av 62 avhandlingar innehållade orden 1 F NOISE.

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

    Detta är en avhandling från Chalmers University of Technology

    Författare :Stefan Andersson; Chalmers tekniska högskola.; Chalmers University of Technology.; [1998]
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; phase noise; FM noise; PM noise; noise; microwave; millimetre wave; mm-wave; radio; RF; oscillator; VCO; 1 f noise; oscillation criteria; resonator; delay line; stabilised; quarts crystal; phase error; microstrip resonator; cavity resonator; dielectric resonator; DR; DRO; surface acoustic wave; SAW; sapphire resonator; whispering gallery mode; YIG sphere; YIG film; fibre optic; Fabry-Perot resonator; device; silicon bipolar transistor; Si BJT; gunn diode; MESFET; HEMT; HFET; PHEMT; HBT; amplitude limiter; automatic gain control; AGC; clipping diode; varactor; anti series; piezo electric; magnetostrictive; terfenol; multiplier; phase locked loop; PLL; frequency discriminator; balanced oscillator; transposed gain; laser;

    Sammanfattning : .... LÄS MER

  2. 2. Noise in quantum point contacts

    Detta är en avhandling från Chalmers University of Technology

    Författare :Jan Peter Hessling; Chalmers tekniska högskola.; Chalmers University of Technology.; [1994]
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; flicker; öow frequency; noise; 1 f-noise; quantum point contact; impurity; elementary fluctuator; two level system;

    Sammanfattning : .... LÄS MER

  3. 3. Noise Properties of the Single Electron Transistor

    Detta är en avhandling från Chalmers University of Technology

    Författare :Sergey Kafanov; Chalmers tekniska högskola.; Chalmers University of Technology.; [2008]
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Lågtemperaturfysik; Low temperature physics; Mesoskopisk fysik; Mesoscopic physics; Coulomb blockade; Single Electron Transistor; SET; radio-frequency Single Electron Transistor; RF-SET; Shot Noise; Low-Frequency noise; 1 f noise; electrometer; charge sensitivity;

    Sammanfattning : The Single Electron Transistor (SET) is a sensitive electrometer with a charge sensitivity ultimately limited by noise. In this thesis we present measurements of noise properties and charge sensitivity of the radio-frequency Single Electron Transistor. LÄS MER

  4. 4. Fluctuations in Mesoscopic Constrictions

    Detta är en avhandling från Chalmers University of Technology

    Författare :Jan Peter Hessling; Chalmers tekniska högskola.; Chalmers University of Technology.; [1996]
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Fysik; Physics; noise; fluctuations; superconductivity; quantum; point contact; impurity; shot noise; 1 f-noise; low frequency; Andreev reflection;

    Sammanfattning : In normal and superconducting quantum point contacts there are several sources of fluctuations. Thermally activated impurities in the vicinity of the junction cause the current (or voltage) to change with a typical frequency of the order of one Hz up to a few kHz. LÄS MER

  5. 5. Prediction and Optimisation of Traffic Noise. A Study on Noise Barriers and Shielded Areas

    Detta är en avhandling från Chalmers University of Technology

    Författare :Pontus Thorsson; Chalmers tekniska högskola.; Chalmers University of Technology.; [2003]
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Samhällsbyggnadsteknik och arkitektur; Civil engineering and architecture; Teknisk mekanik; Engineering mechanics; traffic noise; noise barrier; insertion loss; ground impedance; city noise; city canyon; absorption; soundscape; silent side;

    Sammanfattning : The main contribution of noise levels in cities is today road traffic. The strongest source for all road vehicles is most often the tyre-road contact. This source position close to the ground is fortunate with respect to secondary noise abatement measures, such as absorbing road surfaces or noise barriers. LÄS MER