Methods for determining corrected intermodulation distortion (IMD) product measurements for a device under test (DUT)
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United States of America Patent
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Jul 20, 2004
Grant Date -
Dec 4, 2003
app pub date -
May 29, 2002
filing date -
May 29, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Methods for determining a corrected intermodulation distortion (IMD) product measurement for a device under test (DUT) are provided. A ratioed receiver IMD product is measured, where the receiver IMD product results from non-linearities in a receiver. Next, a ratioed composite IMD product is measured, where the composite IMD product results from non-linearities in both the receiver and the DUT. The corrected DUT IMD product (DUTP) can then be determined by subtracting the ratioed receiver IMD product from the ratioed composite IMD product to remove the effects of IMD due to the receiver.
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