LMS6002 BB loopback

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Глеб Давыдов

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Sep 20, 2018, 9:59:36 AM9/20/18

to Lime Microsystems open-source support channel

Hi!

I have two boards with lms6002. I try to start the board in loopback mode. And I get a good result on the first board, and on the second board with the same settings the data on the ADC output is overflowing.
I try change 0x64[5-2] ,but this is the best result. Before starting I rinning automatic calibration. 

Register setting calibration:
0x898C
0xD308
0xD328
0xD308
0xD309
0xD329
0xD309
0x8984
0x8994
0xE600
0xE308
0xE328
0xE308
0xE309
0xE329
0xE309
0xE30A
0xE32A
0xE30A
0xE30B
0xE32B
0xE30B
0xE30C
0xE32C
0xE30C
0xE60A
0x8984
0xD704
0x8942
0xB308
0xB328
0xB308
0xB309
0xB329
0xB309
0xD784
0x897E
0xC277
0xC37F

Register setting loopback:
0x853e
0x9480
0xa480
0xc403
0xf000
0xd400
0xc604
0x8820
0xd79c

board1_max.PNG

board2_div2.PNG

board2_max.PNG

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