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ad9739 rx data cont. can't be locked

Question asked by sfsgyb on Jul 30, 2012
Latest reply on Aug 21, 2012 by danf


AD9739 DAC

I use FPGA to initialize and configure the ad9739 with datasheet recommended .But I have some problems now. Read

back register 0x21 but it's not 0x09 when the dac clock is 2.4GHz. And the mu controller works.What can I  do?

I use adclk914 to get the clock input recommending the datasheet.When the dac clock is 1.2GHz,the value of register 0x21 somentimes is 0x09.