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alistu
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Hi Debanjan,

The problem you are referring to is because of a mismatch between symbol rate and the bit rate in the layout parameters. Since the modulation uses three bits per symbol, the ratio ratio of bit rate to symbol rate must be 3 to 1. For example, change the bit rate in the layout parameters to 7.5e+9 (while the symbol rate is 2.5e+9) and the problem is solved. (You can access layout parameter by double-clicking on the layout background).

Regards

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