IEEE Transactions on Instrumentation and Measurement · 1966 · 12 citations · 10 references
EngineeringElectrical EngineeringInstrumentationMetrologyMicrowave EngineeringImpedance MatchingMeasurement StandardsMicrowave MeasurementsMicrowave Network AnalysisMicrowave Transmission LinesTransmission LinesCharacteristic ImpedanceImpedance Matching In Microwave CircuitsImpedance Matching TechniquesMicrowave Impedance MatchingReflection Coefficient AnalysisReflection Coefficient MeasurementReflection CoefficientsTransmission Line Analysis
The techniques analyzed in this paper are based on precision-measuring systems that exhibit resolutions of 0.0001 in reflection coefficient and accuracies of 0.05 percent in characteristic impedance over the 100 MHz to 8.5 GHz frequency range. In order to consider safely reflection coefficients as high as 0.1, multiple reflections are not neglected in the analysis. Subjects considered include 1) the separation of measuring-system residual reflections utilizing air-line standards of specified, arbitrary, and variable length, 2) the limits of accuracy resulting from imperfect air-line standards and multiple reflections, 3) the importance of connector repeatability, and 4) the advantages realized through the use of highly stable impedance-matching tuners.
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