G - Physics – 01 – R
Patent
G - Physics
01
R
356/117
G01R 31/26 (2006.01)
Patent
CA 1278880
Abstract An electronic device measurement apparatus measures a characteristic of an electronic device under test (DUT) by applying a smoothly changing voltage from one terminal of a voltage supply means to an ungrounded terminal of the DUT and detecting a current flowing through the DUT. The current flowing through the DUT does not include a looping error component. A current detection resistor is connected between another terminal of the voltage supply means and a grounded terminal of the DUT. Since the voltage applied to the DUT is a sine squared wave voltage, the pure current flowing through the DUT is detected by detecting cosine- wave and sine-wave components from the ungrounded terminal of the DUT and obtaining the difference between the voltage across the current detection resistor and the cosine-wave and sine-wave com- ponents.
568105
Kirby Eades Gale Baker
Sony/tektronix Corporation
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