Signal output selection with twos complement and offset binary digital

Question

xHello, the MAX5878 DAC has the TORI jumper JU3 pin for selection of two's complement output and offset binary digital output. Here i connected pin 1 and pin 2 for signed two's complement signal. I have attached the output of the oscilloscope, the hardware and the simulation picture. I want to get the signal as in the simulation. But i couldn't figure out. Previously i had generated the sine wave with this configuration. I am confused at which point i am wrong is it on the FPGA side of the DAC side.? m

KevyU1212 · Accepted Answer

I am not familiar with baluns so I can't say for sure if that is the cause. Can you remove any additional output circuits and probe the output of eval board to see if the waveform improves? 
 Thanks, 
 Kevin)

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Signal output selection with twos complement and offset binary digital