Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Frequency of cyclic current or voltage
Patent
1989-03-03
1989-12-05
Strecker, Gerard R.
Electricity: measuring and testing
Measuring, testing, or sensing electricity, per se
Frequency of cyclic current or voltage
364802, G06G 762, G01R 2700
Patent
active
048855286
ABSTRACT:
The present invention relates to apparatus for measuring the AC electrical parameters of a circuit element (Device-Under-Test, DUT), such as a resistor, a capacitor or an inductor, at the desired frequency of a signal while applying a DC bias to the DUT. The present invention provides an apparatus capable of measurement with less error even in the lower-frequency range.
REFERENCES:
patent: 3993968 (1976-11-01), Lee
patent: 4057717 (1977-11-01), Ferry
patent: 4333157 (1982-06-01), Lee
patent: 4364116 (1982-12-01), Nossek
patent: 4383305 (1983-05-01), Lee
"A Grounded Inductance Simulation Using the DVCES/DVC/S", Proceedings of the IEEE, vol. 66, No. 9, 9/1978, pp. 1089-1091, Soliman.
"Artificial Inductance of High Quality for Low-Frequency Oscillatory Circuits", Funks Chan., vol. 51, No. 7, 3/30/79, Bergman.
Komatsu Yasuaki
Kuboyama Yoichi
Tanaka Hideshi
Tanimoto Shigeru
Yagi Kazuyuki
Hewlett--Packard Company
Regan Maura
Strecker Gerard R.
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