Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Frequency of cyclic current or voltage
Patent
1987-10-08
1988-10-11
Eisenzopf, Reinhard J.
Electricity: measuring and testing
Measuring, testing, or sensing electricity, per se
Frequency of cyclic current or voltage
324 58B, G01R 2704
Patent
active
047774290
ABSTRACT:
A six-port network for characterizing a microwave or R.F. device includes a signal source (1) capable of generating three signals of the same frequency but relative phase differences, and combines each of the signals with a signal reflected or transmitted by the device. Two three-phase sources may be used in a dual six-port network device.
REFERENCES:
patent: 4521728 (1985-06-01), Li
patent: 4641082 (1987-02-01), Griffin et al.
Hoer article "A Network Analyzer Incorporating Two Six-Port Reflectometers" IEEE Transactions on Microwave Theory and Technique, vol. MTT-25, No. 12, Dec. 1977.
Electronic Letters, vol. 21, No. 4, Feb. 14th, 1985, p. 157, Stevenage, Herts, GB; J. D. Hunter et al., "S-Parameter Measurements With a Single Six-Port.
Eisenzopf Reinhard J.
Marconi Instruments Limited
Regan Maura K.
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