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With respect to SFDR, what are the primary distortion products of interest?

April 26, 2017distortion primary products respect sfdr

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With respect to SFDR, what are the primary distortion products of interest?

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Assuming that both in-band and out-of-band even-order distortion products are well below their odd-order counterparts, TROPHY will primarily seek to correct for 3rd-order distortion products. Thus, SFDR is specified in units of Hz^2/3. To further clarify, for a two-tone input, SFDR is specified with respect to spurious distortion products measured at 2f1-f2 and 2f2-f1 and for three tone, f1+f2-f3.