Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Frequency of cyclic current or voltage
Patent
1985-03-05
1987-01-06
Eisenzopf, Reinhard J.
Electricity: measuring and testing
Measuring, testing, or sensing electricity, per se
Frequency of cyclic current or voltage
324 77C, 324 57SS, G01R 2316, G01R 2700
Patent
active
046349626
ABSTRACT:
A phase noise analyzer uses a microwave section to produce a standard reference voltage which is filtered by a sequenced pair of frequency agile filters. The filter output is fed to an indicator which is calibrated to the desired units.
REFERENCES:
patent: 2933683 (1960-04-01), Clark, Jr.
patent: 2977538 (1961-03-01), Secretan
patent: 3392337 (1968-07-01), Neuburger
patent: 3711773 (1973-01-01), Hekimian et al.
patent: 3737766 (1973-06-01), Lubarsky, Jr.
patent: 3916307 (1975-10-01), Hekimian
patent: 4002969 (1977-01-01), Barley
Hewlett-Packard: 1970 catalog--Section on Audio Analyzers and Selective Vmeters (pp. 455+).
Reynolds: "Measure Phase Noise"--Electronic Design--Feb. 77, pp. 106-108.
Banura George A.
Noland Richard L.
Beers R. F.
Eisenzopf Reinhard J.
Skeer W. Thom
Solis Jose M.
The United States of America as represented by the Secretary of
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