Electricity: measuring and testing – Impedance – admittance or other quantities representative of... – Distributive type parameters
Patent
1994-07-05
1996-03-12
Wieder, Kenneth A.
Electricity: measuring and testing
Impedance, admittance or other quantities representative of...
Distributive type parameters
324 84, 333109, G01R 2704
Patent
active
054989698
ABSTRACT:
The present invention relates to a device for the vector measurement of ultra-high frequency signals of the same angular frequency of the six port junction type, comprising a power divider (10) and a phase shifting circuit (11) two of the six ports of said device being measuring ports connectable to two sources of signals to be characterized, the four other ports being connected to four detectors, one of them being a matched detector (14) and the three others (12, 13, 15) being unmatched detectors.
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"A Semiautomated Six Port for Measuring Millimeter-Wave Power and Complex Reflection Coefficient", Manly P. Weidman, IEEE Trans. Microwave Theory Tech., Jul. 1977, pp. 1083-1085.
"A Six-Port Automatic Network Analyzer", Harry M. Cronson et al, IEEE Trans. Microwave Theory Tech., Dec. 1977, pp. 1086-1091.
Microwave Journal, vol. 34, No. 11, Nov. 1991, Norwood, MA, pp. 102-114, Kamarei, "Vector Voltmeter Applications Microwave Imaging".
IEEE MTT-S Int. Microwave Symposium Digest Piscataway, New York, 1980, pp. 431-433, Riblet, "Transmission Phase Measurements With A Single Six-Port".
Huyart Bernard
Wiedmann Frank
Do Diep
France Telecom Etablissement (Autonome de Droit Public)
Wieder Kenneth A.
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