Accuracy analysis for six-port automated network analyzers

Author

Bergeault, Eric ; Huyart, Bernard ; Geneves, Gerard ; Jallet, Louis

Author_Institution

Lab. Central des Ind. Electr., Fontenay-aux-Roses, France

Volume

39

Issue

3

fYear

1990

fDate

6/1/1990 12:00:00 AM

Firstpage

492

Lastpage

496

Abstract

One of the assumptions made in six-port automated network analyzer (ANA) theory is that the reflection coefficient of the power detectors does not change with incident power level. This is not generally the case if diode detectors are used. Consequently, uncertainties in the measurement of the reflection coefficient of the unknown load appear because the calibration constants vary due to the variation of the detector reflection coefficients with power. Measurements of the variations of diode input impedance using commercial ANAs are used in a computer simulation to estimate their uncertainties

Keywords

calibration; digital simulation; electronic engineering computing; measurement errors; microwave reflectometry; network analysers; Schottky barrier diodes; calibration constants; computer simulation; diode detectors; diode input impedance; power detectors; reflection coefficient; six-port automated network analyzers; Calibration; Computer simulation; Diodes; Envelope detectors; Impedance measurement; Phase measurement; Power generation; Power measurement; Reflection; Testing;

fLanguage

English

Journal_Title

Instrumentation and Measurement, IEEE Transactions on

Publisher

ieee

ISSN

0018-9456

Type

jour

DOI

10.1109/19.106278

Filename

106278