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  • TIDA-01021: SysrefReq Polarity

    Part Number: TIDA-01021 Other Parts Discussed in Thread: LMX2594 , LMK04828 Hi, In the document Multichannel JESD204B 15-GHz Clocking Reference Design (Rev. A) says: " Because the LMX2594 devices are being used in master mode, SysRefReq signal needs…
    • Answered

  • RE: TIDA-01021: Several errors in design files - BOM, Assembly drawing, Pick and place file. Urgent update needed!

    Resolved
    TIDA-01021_Clocking_Board_Engineering_Change_note_2017_1219.docx Hi Mats, It seems there is an issue of mismatch between the latest schematic and layout. Gerber and CAD files are not updated with the latest schematic and BOM. If you have fabricate the…
    • Answered

  • TIDA-01021: LMK04828 SYSREF divider and output DEVCLK divider don't work properly

    Resolved
    Part Number: TIDA-01021 Other Parts Discussed in Thread: LMK04828 , Hi TI, When running the TIDA-01021 and trying to set the LMK04828 to produce a continuous SYSREF signal I run into problems. PLL1 is programmed to produce a 100MHz signal from a 100MHz…
    • Resolved

  • Compiler/LMK04828: I assembled a card named TIDA-01021 which TI not saled for test the chip of lmk04828 and lmx2594 how to sync between boards，but I find the board used a chip FT232HI ,we can't connect the board to the board,how to use the FT232HI?

    TI Thinks Resolved
    Part Number: LMK04828 Other Parts Discussed in Thread: TIDA-01021 , LMX2594 Tool/software: TI C/C++ Compiler I assembled a card named TIDA-01021 which TI not saled for test the chip of lmk04828 and lmx2594 how to sync between boards，but I find the board…
    • Answered

  • LMK04828: Two questions about LMK04828B

    Resolved
    Part Number: LMK04828 Other Parts Discussed in Thread: LMX2594 , TIDA-01021 Hi, all: I have two questions about LMK04828B： 1. Could cascaded zero-delay or nested zero-delay all be used to realize a fixed deterministic phase relationship between all…
    • Resolved

  • LMK04828: Why the PLL1 of LMK04828B can't lock?

    TI Thinks Resolved
    Part Number: LMK04828 Other Parts Discussed in Thread: TIDA-01021 , LMK61E2 , Hi, all： I have a question about digital lock of PLL1 in the LMK04828B. As below figure.1 shown, I supply a 10MHz from TCXO to CLKin1, Fpd is set to 10MHz, and external…
    • Answered

  • LMX2594: LMX2594

    Resolved
    Part Number: LMX2594 Other Parts Discussed in Thread: TIDA-01021 , LMK61E2 , LMK00304 Hi, I have a question about LMX2594. My setup is listed below which refer to TIDA-01021 design : 1. LMK61E2 output 100MHz to OSCin of LMK04828B 2. OSCout of LMK04828B…
    • Resolved
    • Answered

  • LMK04828: Question about how to realize deterministic phase relationship between output clocks from LMK04828B on the different board

    Resolved
    Part Number: LMK04828 Other Parts Discussed in Thread: TIDA-01021 Hi, My test setup as below figure shown, signal generator(E8257D) provide reference 10MHz clock to CLKin0 pin of respective LMK04828B on the different board through PD1, for common clock…
    • Resolved

  • LMK04828: Which clock scheme would be better to realize the lower phase noise DEVCLK generation and multichannel clock solution with phase alignment?

    TI Thinks Resolved
    Part Number: LMK04828 Other Parts Discussed in Thread: TIDA-01021 , LMX2594 , , LMK00804B , LMK61E2 Hi, I would like to use LMK04828B+LMK2594 to provide device clock(10GHz) and sysref(4.8828125Mhz) clock to 4pcs ADC at the same time, and realize multichannel…
    • Answered

  • RE: LMX2594: Mash order function don't work

    Resolved
    Hi， Noel： I have no enough bandwidth probe to test 10GHz output from LMX2594, so I calculated the phase change through observing the acquisited waveform from two ADC which are clocked from the two LMX2594 respectively, as below figure shown. when I…

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