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Showing 79 results View by: Thread Post Sort by
    Answered
  • RE: DAC38RF89: IEEE 1500 Interface for signal integrity measurements

    jim s
    jim s
    Resolved
    Yes, this document is valid for the DAC38RF89.
    • 2 months ago
    • RF & microwave
    • RF & microwave forum
  • DAC38RF89: There is near - end spurious in DAC38RF89 output

    Yunlong Zhao
    Yunlong Zhao
    Part Number: DAC38RF89 Other Parts Discussed in Thread: LMK04828 The DAC output is 1100MHz. There are spurious of 1M and 37.5M, respectively. The PLL configuration of the DAC is as follows:0x31 0x0400; 0x32 0x0508;0x33 0x2A24. The DAC clock is 200MHz of…
    • 11 months ago
    • RF & microwave
    • RF & microwave forum
  • Answered
  • DAC38RF89: BALUNs DAC Layout

    Ronen Li
    Ronen Li
    Resolved
    Part Number: DAC38RF89 Hello, I'm Using the DAC38RF89I and wanted to know what is the best way to place the BALUN peripherals. For mechanical issues I can't use parts in the Print side (P.S) with thickness bigger then 0.3mm,   so the inductors could…
    • Resolved
    • over 1 year ago
    • RF & microwave
    • RF & microwave forum
  • Answered
  • DAC38RF89: PLL/VCO Jitter &VOUT Skew

    user5163865
    user5163865
    Resolved
    Part Number: DAC38RF89 Hi, Our customer have two questions. 1 Is there a spec for the output jitter of the internal PLL (including VCO)? Also, is there a way to calculate jitter? 2. If we set the same data for two outputs and start sending, Will there…
    • Resolved
    • over 1 year ago
    • RF & microwave
    • RF & microwave forum
  • DAC38RF89: When debugging, 204B interface instability issue

    Cherry Zhou
    Cherry Zhou
    TI Thinks Resolved
    Part Number: DAC38RF89 When debugging, everything works well when 204B interface channel rate is 10G. When a t 12G, the SYNC signal is occasionally pulled low, causing resynchronization. The other registers are unchanged, except for the corresponding modification…
    • over 1 year ago
    • RF & microwave
    • RF & microwave forum
  • Answered
  • DAC38RF89: DAC38RF89 - Current & Power

    Ronen Li
    Ronen Li
    Resolved
    Part Number: DAC38RF89 Hello, Some questions regarding the DAC38RF89 Currents: 1. In Figure 149 (Power Supply Scheme) The VDDDIG1 Current shown is 2.5A ; While in the "Electrical Characteristics - DC Specifications" (Section 7.5) The Max Current…
    • Resolved
    • over 1 year ago
    • RF & microwave
    • RF & microwave forum
  • DAC38RF89: data sequence of FPGA

    user4017860
    user4017860
    TI Thinks Resolved
    Part Number: DAC38RF89 HELLO, I use DAC38RF89 with the mode LMFSHd = 82380 1X,the FPGA is XC7K410T-2FFG900, NOW the link of jesd204b is ok, but the output of DAC wave form is incorrect , so I doubt that the sequence of the data I arranged in FPGA endding…
    • over 1 year ago
    • RF & microwave
    • RF & microwave forum
  • RE: DAC38RF89: The output after DUC is symmetric with respect to NCO frequency。

    jim s
    jim s
    Yunlong, Set address 0x27 to 2222. Regards, Jim
    • over 1 year ago
    • RF & microwave
    • RF & microwave forum
  • Answered
  • DAC38RF89: SYSREF differential input

    Gregory Duperon
    Gregory Duperon
    Resolved
    Part Number: DAC38RF89 Is there a minimum defined for the differential input peak-to-peak voltage for the SYSREF?
    • Resolved
    • over 1 year ago
    • RF & microwave
    • RF & microwave forum
  • Answered
  • DAC38RF89: Output summation block

    user6193156
    user6193156
    Resolved
    Part Number: DAC38RF89 Hi, In the section 8.3.20 of the datasheet, table 44,the outsum block perform rounding operation after addition. Why use bits[16:1] from the result when only one channel is added? Isn't it half the result? I think that…
    • Resolved
    • over 1 year ago
    • RF & microwave
    • RF & microwave forum
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