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DAC3484 test request

Mike Wang2
Intellectual 2760 points
Other Parts Discussed in Thread: DAC3484

Hi,

My customer is using DAC3484 and they find the output is weird on their board.  They use 184.32M IF and 4x interpolation, DAC clk is 737.28M.There's large spurious every 23.04M besides the signal. So, could you please help to test on DAC3484 EVM board according to the configuration below? I don't have the equipment to do these test now.

Thanks.

writedac3482x( chipNum , 0x00 , 0x028F); 
writedac3482x( chipNum , 0x01 , 0x010E); 
writedac3482x( chipNum , 0x02 , 0xF0F2); //MIXER GAIN 6 DB 
writedac3482x( chipNum , 0x03 , 0x9000); //20mA 
////writedac3482x( chipNum , 0x04 , 0x0000); 
////writedac3482x( chipNum , 0x05 , 0x0000); 0x06 ReadOnly 
writedac3482x( chipNum , 0x07 , 0xFFFF); 
writedac3482x( chipNum , 0x08 , 0x0000); 
writedac3482x( chipNum , 0x09 , 0x8000); 
writedac3482x( chipNum , 0x0A , 0x0000); 
writedac3482x( chipNum , 0x0B , 0x0000); 
writedac3482x( chipNum , 0x0C , 0x0400); 
writedac3482x( chipNum , 0x0D , 0x0400); 
writedac3482x( chipNum , 0x0E , 0x0400); 
writedac3482x( chipNum , 0x0F , 0x0400); 
writedac3482x( chipNum , 0x10 , 0x0000);     

writedac3482x( chipNum , 0x11 , 0x0000); 
writedac3482x( chipNum , 0x12 , 0x0000); 
writedac3482x( chipNum , 0x13 , 0x0000); 
writedac3482x( chipNum , 0x14 , 0x0000); 
writedac3482x( chipNum , 0x15 , 0x6000); //NCO AB    18432nco,  49152dacclk
writedac3482x( chipNum , 0x16 , 0x0000); 
writedac3482x( chipNum , 0x17 , 0x6000); //NCO CD    18432nco,  49152dacclk
writedac3482x( chipNum , 0x18 , 0x2000); 
////writedac3482x( chipNum , 0x19 , 0x0440); 
writedac3482x( chipNum , 0x1A , 0x0020); 
writedac3482x( chipNum , 0x1B , 0x0800); 
////writedac3482x( chipNum , 0x1C , 0x0000); 
////writedac3482x( chipNum , 0x1D , 0x0000); 
writedac3482x( chipNum , 0x1E , 0x8888); 
writedac3482x( chipNum , 0x1F , 0x8880); 
writedac3482x( chipNum , 0x20 , 0x2201); 
writedac3482x( chipNum , 0x24 , 0x1000); 
writedac3482x( chipNum , 0x2D , 0x0004); 
writedac3482x( chipNum , 0x30 , 0x1000); 
writedac3482x( chipNum , 0x05 , 0x0000);
writedac3482x( chipNum , 0x1F , 0x8882); 
// writedac3482x( chipNum , 0x00 , 0x028B); 
writedac3482x( chipNum , 0x1F , 0x8880); 
// writedac3482x( chipNum , 0x20 , 0x0000);  

BR,

Mike