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DAC38J84 EVM can nor get pure spectrum @ 737.28 MHz

Other Parts Discussed in Thread: DAC38J84, LMK04828

Hello there,

Currently I am testing DAC38J84 evaluation board with TSW14J56.

Everything is working fine with test pattern WCDMA_TM1IF30_FDATA368.84, but when I tried to load pattern WCDMA_TM1IF30_FDATA737.28 I could not get the pure spectrum;

I changed setting for DAC38J84 as: DAC input rate 737.78, Num Serdev lanes 8 and Interpol. 2; So far there were no errors messages from GUI. However, when I upload the pattern, I could not get pure spectrum at all. Any help will be greatly appreciated.