Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Frequency of cyclic current or voltage
Patent
1984-09-20
1987-03-03
Strecker, Gerard R.
Electricity: measuring and testing
Measuring, testing, or sensing electricity, per se
Frequency of cyclic current or voltage
324 57SS, G01R 2700
Patent
active
046478450
ABSTRACT:
A method and apparatus for using an AC detection network analyzer with either a pulsed RF or a CW source signal is disclosed. An AC/DC detector is placed between an AC detection network analyzer and a device under test. If a source signal is a pulsed RF signal the AC/DC detector can be switched to transform the pulsed RF signal to produce an AC signal for the network analyzer. If the signal source is a CW signal, the AC/DC detector can be switched to rectify the CW signal, modulate the CW signal, sample the CW signal, and filter the CW signal. This will also produce the AC signal for the network analyzer.
REFERENCES:
patent: 3968427 (1976-07-01), Sharrit
Jacobsen: "Swept-Frequency Measurements . . . " HP Journal May 1978-p. 24.
Brinkoetter: "Swept-Measurements Speeds . . . " Microwaves, Apr. 1977, pp. 48-52.
Unrau: "Leveled Sub-Microwave Sweep Measurements . . . "-Proceedings European Microwave Conference-Sep. 1978-pp. 503-507.
Thomas: "Cable Systems Measurements . . . " T.V. Communications-Oct. 77-pp. 58-63.
"Very-Low-Level Microwave Power Measurements" by Ronald E. Pratt from the HP Journal, Feb. 1976.
"Microelectronics Enhances Thermocouple Power Measurements", by John C. Lamy from the HP Journal-Sep. 19.
Faick John C.
Richter Kenneth A.
Sohigian M. D.
Barrett Patrick J.
Hewlett--Packard Company
Smith Joseph H.
Solis Jose M.
Strecker Gerard R.
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