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  • DAC38J82: Serdes PLL cannot be locked, and FIFO reports an error

    Part Number: DAC38J82 Other Parts Discussed in Thread: LMK04828 Hi team， When one of our customers used DAC38J82 for development, Serdes PLL could not be locked after configuring parameters, and FIFO reported an error; The customers use DAC3XJ8X GUI v1.…
    • Answered

  • DAC37J82: DAC38J82

    Resolved
    Part Number: DAC37J82 Other Parts Discussed in Thread: DAC38J82 Table 47 on Page 69 of the datasheet shows the following register configuration for register 16: The datasheet says: The QMC correction phase term for the DACAB path. The range is –0.5 to…
    • Resolved

  • DAC38J82: DAC38J82 : Complex Input and IQ summation

    TI Thinks Resolved
    Part Number: DAC38J82 Other Parts Discussed in Thread: DAC38J84 , TSW38J84EVM , DAC38RF82 Hi all, I'm trying to bring up the DAC38J82 to operate with complex samples. I need few clarification regarding the internal path flow. I understand that the DAC38J82…
    • Answered

  • DAC38J82: DAC GAIN

    Resolved
    Part Number: DAC38J82 Dear sirs, Could anybody tell me how can I control the output gain of the DAC ( DAC GAIN ) . I have used the Mixer_gain: 6dB and the Qmc_gainA and Qmc_gainB with another 6dB , but I cant find the DAC GAIN as shown on the Functional…
    • Resolved
    • Answered

  • RE: DAC38J82: Rising temperature appears DAC errors

    Resolved
    Jim, We find a problem. It is crosstalk issue. We find agressor net, but still don't understand what role temperature playing. Best regards Evgeniy

  • DAC38J82: FIFO Read Empty Alarm Flag and No DAC Output

    Part Number: DAC38J82 Hello, I am using a LMK 04828 along with a DAC38J82. An FPGA is transmitting ADC samples to the DAC and the LMK is providing all clocks. A few things about my board: Dclkout0_1 is for the Dac reference (1.2 GHz) and sysref, respectively…

  • DAC38J82: DAC38J82 abnormal output

    Part Number: DAC38J82 Hello, Question1 : Configuration: LMFK=1:1:2:32 1DAC，non-Interpolation（250Mfs linerate=5G）； The question is that the accmulated waveforms from 0x1000~0xF000 have highe frequency noise, please refer to the waveform, and how to filter…
    • Answered

  • DAC38J82: DAC38J82

    Resolved
    Part Number: DAC38J82 Hi everyone! Can anybody help me with DAC38J82 CML SERDES INPUTS signal mask (eye mask) for 12Gbps datarate? I need it for time domain analysis.
    • Resolved
    • Answered

  • RE: DAC38J82: Problem with DAC PLL is out of lock sometimes

    Resolved
    Jim, where I can find phase noise calculation methodic for LMK04828+DAC38J82 clock system? or may be you can give me some advice?
    • Answered

  • DAC38J82: Can't find dac38j82 IBIS AMI model

    Resolved
    Part Number: DAC38J82 Hello everybody! I need dac38j82 IBIS AMI model. Can someone help me, please?
    • Resolved

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