LEADER 05686nam 22003973 450 001 9910642871203321 005 20221104080258.0 010 $a1-119-91011-0 010 $a1-119-91010-2 010 $a1-119-91012-9 035 $a(MiAaPQ)EBC7130218 035 $a(Au-PeEL)EBL7130218 035 $a(CKB)25264907900041 035 $a(EXLCZ)9925264907900041 100 $a20221104d2022 uy 0 101 0 $aeng 135 $aurcnu|||||||| 181 $ctxt$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 10$aPrecision Measurement of Microwave Thermal Noise 210 1$aNewark :$cJohn Wiley & Sons, Incorporated,$d2022. 210 4$d©2023. 215 $a1 online resource (179 pages) 311 08$aPrint version: Randa, James Precision Measurement of Microwave Thermal Noise Newark : John Wiley & Sons, Incorporated,c2022 9781119910091 327 $aCover -- Title Page -- Copyright -- Contents -- Preface -- Chapter 1 Background -- 1.1 Nyquist's Theorem and Noise Temperature -- 1.1.1 Nyquist's Theorem -- 1.1.2 Limits and Numbers -- 1.1.3 Definition of Noise Temperature -- 1.1.4 Excess Noise Ratio and T0 -- 1.2 Microwave Networks -- 1.2.1 Notation -- 1.2.2 Noise Correlation Matrix and Bosma's Theorem -- 1.2.3 Power Ratios -- 1.2.4 Noise?Temperature Translation Through a Passive Device -- References -- References -- Chapter 2 Noise?Temperature Standards -- 2.1 Introduction -- 2.2 Ambient Standards -- 2.3 Hot (Oven) Standards -- 2.4 Cryogenic Standards -- 2.4.1 Coaxial Standards -- 2.4.2 Waveguide Standards -- 2.5 Other Standards and Noise Sources -- 2.5.1 Tunable Primary Standards -- 2.5.2 "Equivalent Hot Standard" Based on RF Power -- 2.5.3 Secondary Standards -- 2.5.4 Synthetic Primary Standards -- References -- Chapter 3 Noise?Temperature Measurement -- 3.1 Background -- 3.2 Total?Power Radiometer -- 3.2.1 Idealized Case -- 3.2.2 Nonideal Case -- 3.2.3 Radiometer Equation for Isolated Total?Power Radiometer -- 3.2.4 Total?Power Radiometer Design -- 3.2.5 Radiometer Testing -- 3.3 Total?Power Radiometer Uncertainties -- 3.3.1 Type?A Uncertainties -- 3.3.2 Type?B Uncertainties -- 3.3.3 Sample Results -- 3.4 Other Radiometer Designs -- 3.4.1 Switching or Dicke Radiometer -- 3.4.2 Digital Radiometer -- 3.5 Measurements through Adapters -- 3.6 Traceability and Inter?laboratory Comparisons -- References -- Chapter 4 Amplifier Noise -- 4.1 Noise Figure, Effective Input Noise Temperature -- 4.2 Noise?Temperature Definition Revisited -- 4.3 Noise Figure Measurement, Simple Case -- 4.4 Definition of Noise Parameters -- 4.4.1 Circuit Treatment of Noisy Amplifier -- 4.4.2 Wave Representation of Noise Parameters -- 4.5 Measurement of Noise Parameters -- 4.5.1 General Measurement Setup. 327 $a4.5.2 Fit to Noise?Figure Parameterization -- 4.5.3 Fit to Noise?Temperature or Power Parameterization -- 4.5.4 Possible Variations When Using the Wave Formulation -- 4.5.5 Choice of Input Terminations -- 4.5.6 Commercial Systems, Source?Pull Measurements -- 4.5.7 Frequency-Variation Method -- 4.6 Uncertainty Analysis for Noise?Parameter Measurements -- 4.6.1 Simple Considerations -- 4.6.2 Full Analysis -- 4.6.3 Input Uncertainties -- 4.6.4 General Features and Sample Results -- 4.7 Simulations and Strategies -- References -- Chapter 5 On?Wafer Noise Measurements -- 5.1 Introduction -- 5.2 On?Wafer Microwave Formalism -- 5.2.1 Traveling Waves vs. Pseudo Waves -- 5.2.2 On?Wafer Reference Planes -- 5.3 Noise?Temperature Measurements -- 5.4 On?Wafer Noise?Parameter Measurements -- 5.4.1 General -- 5.4.2 Radiometer?Based Systems -- 5.4.3 Commercial Systems and Reference?Plane Considerations -- 5.4.4 "Enhanced" or Model?Assisted Measurements -- 5.5 Uncertainties -- 5.5.1 Differences from Packaged Amplifiers -- 5.5.2 General Features and Properties -- 5.5.3 Measurement Strategies -- References -- Chapter 6 Noise?Parameter Checks and Verification -- 6.1 Measurement of Passive or Previously Measured Devices -- 6.2 Physical Bounds and Model Predictions -- 6.3 Tandem or Hybrid Measurements -- References -- Chapter 7 Cryogenic Amplifiers -- 7.1 Background -- 7.1.1 Introduction -- 7.1.2 Vacuum?Fluctuation Contribution -- 7.2 Measurement of the Matched Noise Figure -- 7.2.1 Cold?Attenuator Method -- 7.2.2 Internal Hot-Cold Method -- 7.2.3 Full?Characterization Measurements -- 7.3 Noise?Parameter Measurement -- References -- Chapter 8 Multiport Amplifiers -- 8.1 Introduction -- 8.2 Formalism and Noise Matrix -- 8.3 Definition of Noise Figure for Multiports -- 8.4 Degradation of Signal?to?Noise Ratio. 327 $a8.5 Three?Port Example - Differential Amplifier with Reflectionless Terminations -- 8.5.1 Motivation -- 8.5.2 Characteristic Noise Temperature, Gains, and Effective Input Noise Temperature -- 8.5.3 Noise Figure -- 8.5.4 Practical Applications -- 8.6 Four?Port Example with Reflectionless Terminations -- References -- Chapter 9 Remote Sensing Connection -- 9.1 Introduction -- 9.2 Theory for Standard Radiometer -- 9.3 Standard?Radiometer Measurements -- 9.3.1 Determination of ? -- 9.3.2 Determination of Illumination Efficiency, ?IE -- 9.3.2.1 Measurements of a Standard Target -- 9.4 Standard?Target Design -- 9.5 Target Reflectivity Effects -- 9.5.1 Effect of Target Reflectivity -- 9.5.2 Measurement of Target Reflectivity -- References -- Index -- EULA. 700 $aRanda$b James$045191 801 0$bMiAaPQ 801 1$bMiAaPQ 801 2$bMiAaPQ 906 $aBOOK 912 $a9910642871203321 996 $aPrecision Measurement of Microwave Thermal Noise$93011736 997 $aUNINA