A wideband millimeter wave six-port reflectometer using four diode detectors calibrated without a power ratio standard

Author

Ghannouchi, Fadhel M. ; Bosisio, Renato G.

Author_Institution

Microwave Res. Lab., Ecole Polytech. de Montreal, Que., Canada

Volume

40

Issue

6

fYear

1991

fDate

12/1/1991 12:00:00 AM

Firstpage

1043

Lastpage

1046

Abstract

An 18-40 GHz coaxial six-port reflectometer using four diode detectors calibrated without a power ratio standard is presented. The hardware configuration of the six-port junction, the linearization of the diode detectors, and the calibration of the six-port reflectometer are discussed. Absolute power measurements or a high-quality variable attenuator is not required during the linearization of the diode detectors. A comparison between experimental results obtained by the six-port reflectometer and a Hewlett Packard HP 8510C Automatic Network Analyzer on a 3-dB attenuator terminated by a short circuit is presented

Keywords

calibration; microwave reflectometry; reflectometers; 18 to 40 GHz; calibration; coaxial six port junction; diode detectors; linearization; wideband millimeter wave six-port reflectometer; Attenuators; Calibration; Circuits; Coaxial components; Diodes; Envelope detectors; Hardware; Millimeter wave measurements; Power measurement; Wideband;

fLanguage

English

Journal_Title

Instrumentation and Measurement, IEEE Transactions on

Publisher

ieee

ISSN

0018-9456

Type

jour

DOI

10.1109/19.119791

Filename

119791