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  • DAC39J84EVM: change/add reference clock to work in combination with ADC12DJ3200

    TI Thinks Resolved
    Part Number: DAC39J84EVM Other Parts Discussed in Thread: ADC12DJ3200EVM , , LMK04828 Hello, I am using the DAC39J84EVM in conjunction with the ADC12DJ3200EVM to operate as data converters respectively in transmitter and receiver of a bespoke optical…

  • DAC39J84EVM: Conversion from DAC codes to voltages not behaving as expected after half the resolution

    Part Number: DAC39J84EVM Hi All, Hope you are doing great. We are working with DAC39J84EVM and sending constant amplitude square pulses with duty cycle 0.5. We were trying to understand the conversion of DAC codes to the voltages achieved and also…
    • Answered

  • RE: DAC39J84EVM: Use the DAC39J84EVM for AWG with DC outputs

    Resolved
    Doug, If you do not need complex data, you can operate this part as four independent DAC's. Most customers use this part with complex data and feed the outputs of two DAC's to a quadrature modulator. But each DAC can be used to drive individual transformers…

  • DAC39J84EVM: Unable to replicate the pattern sent from DAC on ADC/Oscilloscope and ways to achieve integer sampling rate

    Part Number: DAC39J84EVM Other Parts Discussed in Thread: ADC12DJ3200 , DAC39J84 , LMK04828 Hi All, We are sending a pattern ( screenshot attached ) which has a peak at 25 MHz and a wideband with central frequency at 200 MHz as shown in the screenshot…

  • DAC39J84EVM: Power supply current

    TI Thinks Resolved
    Part Number: DAC39J84EVM Hello, I would like to know the appropriate amperage to use in the power supply for this EVM board. The user guide only has information on the appropriate voltage (5V). Best regards Daniel Pereira
    • Answered

  • DAC39J84EVM: External clock (follow up)

    Resolved
    Part Number: DAC39J84EVM Other Parts Discussed in Thread: LMK04828 To whom it may concern, Currently, I am able to use the following configuration for DAC39J84EVM and KC705 FPGA. It works very well. Now, I want to use a DAC frequency of 400MHz…
    • Resolved
    • Answered

  • DAC39J84EVM: vc707

    Resolved
    Part Number: DAC39J84EVM Other Parts Discussed in Thread: DAC39J84 Hi, support, the base band out put is not stable, is there any trigger signal can be used for frame synchronization, either in vc707 or DAC39J84evm? Thanks, Jeff Chen
    • Resolved
    • Answered

  • DAC39J84EVM: HSCV pro

    Resolved
    Part Number: DAC39J84EVM Hi, DAC38J93evm + TSW14J10evm + vc707, the setup as: onboard clock mode, 4 serdes lanes with 1 interpolate, LMFS 4421, line rate 7372.8M, clk0 div 8, clk12 div 16, on board PLL1/2 led lit, suppose locked? but the three lock…
    • Resolved

  • DAC39J84EVM: External clock

    TI Thinks Resolved
    Part Number: DAC39J84EVM Other Parts Discussed in Thread: DAC39J84 , LMK04828 To whom it may concern: We own a DAC39J84 EVM and we have successfully synchronized the DAC with KC705 FPGA without the interposer. Currently, the FPGA was driven by a…
    • Answered

  • RE: DAC39J84EVM: Signal distortion from DAC

    Resolved
    Both are 16 bits data, but in the first case, I only use the 8lsb. 8 msb are set to be 0.

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