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  • DAC38RF97: dac no output

    Part Number: DAC38RF97 Other Parts Discussed in Thread: LMK04828 We are using this DAC38RF97 part in our radio project. Our design mainly based on the TI's reference design. We are having problem of NO OUTPUT. We have checked all voltages and they…

  • DAC38RF97: 20x Interpolation missing

    TI Thinks Resolved
    Part Number: DAC38RF97 I'm using the DAC38RF97 on a custom PCB with 20x interpolation. Here are some details of the configuration: 100MHz reference clock (single ended) DAC PLL output freq = 6400MHz (locks with an LF=3) JESD mode: 42111 Interp: 2…
    • Answered

  • DAC38RF97: SPI Non-Reactive - Not taking writes

    Resolved
    Part Number: DAC38RF97 We are unable to get the DAC38RF97 to accept writes. We have a 80MHz signal provided to DACCLK and SYSREF (verified on a scope) and a 100MHz signal provided to DACCLKSE. We have verified all voltages to be correct. We have verified…
    • Resolved

  • LMK04828: Should it be AC coupling or DC coupling for the Clock connections between LMK04828 and FPGA XC7A200T-2FBG676?

    TI Thinks Resolved
    Part Number: LMK04828 Other Parts Discussed in Thread: DAC38RF97 I use LMK04828 SDCLKOUT for DAC38RF97's and FPGA Artix-7's SYSREF. At the FPGA side, LVDS_25 bank is used, where there are internal 100ohms termination resistors but no bias. In…
    • Answered

  • RE: DAC38RF89EVM: Only one Interpolation setting in the quick start

    Resolved
    Hi Jonathan, This is an error in the GUI. It should be possible to select 16x interpolation for the mode you are trying to use. Can you replace the following file with the one attached: modes_n_clock_programming.tx t The file can be found in C:\Program…

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