Method for de-embedding a device-under-test
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United States of America Patent
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Dec 12, 2017
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Jan 23, 2015
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Oct 14, 2011
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Abstract
De-embedding apparatus and methods of de-embedding are disclosed. A de-embedding apparatus includes a test structure including a device-under-test (DUT) embedded in the test structure, and a plurality of dummy test structures including an open dummy structure, a distributed open dummy structure, and a short dummy structure. The distributed open dummy structure may include a first signal transmission line coupled to a left signal test pad and a second signal transmission line coupled to a right signal test pad, the first and second signal transmission lines having a smaller total length than a total length of signal transmission lines of the open dummy structure, and intrinsic transmission characteristics of the DUT can be derived from transmission parameters of the dummy test structures and the test structure.
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