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Showing 73 results View by: Thread Post Sort by
    Answered
  • LMK04803: PLL2 is not locked.

    Li Xiaoqing
    Li Xiaoqing
    Resolved
    Part Number: LMK04803 Hello I designed LMK04803 board, and the registers generated byTICS Pro. PLL2 is not locked. Input clock frequency: 40MHz,COMS; Output clock frequency:80MHz, LVDS, x10; Mode:PLl2,Int VCO, 0-Delay。 The HEX-file generated by TICS Pro…
    • Resolved
    • 5 months ago
    • Clock & timing
    • Clock & timing forum
  • Answered
  • LMK04803BEVAL: Request for LMK04803 evaluation board schematic and design files

    Maitry Khambhati
    Maitry Khambhati
    Resolved
    Part Number: LMK04803BEVAL Other Parts Discussed in Thread: LMK04803 , LMK04832 Hello support team, We are planning to use LMK04803 clock synthesizer IC to provide reference clock to TLK2711 SERDES transceiver. I am looking for the schematic of the LMK04803…
    • Resolved
    • 5 months ago
    • Clock & timing
    • Clock & timing forum
  • LMK04803: The parameter "PLL2_N_CAL" generated by the TICS Pro and Code loader are different. Which is corect?

    Li Xiaoqing
    Li Xiaoqing
    TI Thinks Resolved
    Part Number: LMK04803 HI, I use the LMK04803 to generate clocks. Mode: Single PLL, Internal VCO, 0-Delay Input clock: 40Mhz; Output clock:80MHz(11 channels)。 The parameter "PLL2_N_CAL" is different: TICS PRO: Code loader:
    • 7 months ago
    • Clock & timing
    • Clock & timing forum
  • Answered
  • LMK04803: Signal generation by OSC pin

    Furkan Fehmi Sefiloglu
    Furkan Fehmi Sefiloglu
    Resolved
    Part Number: LMK04803 Hi Team, Can you please check and advise with following request? " Can I create a signal at the frequency I want by feeding an analog signal from the port of the OSC in the LMK04803 IC only by using pll2? " Thanks in a…
    • Resolved
    • over 1 year ago
    • Clock & timing
    • Clock & timing forum
  • Answered
  • LMK04803: About LMK04803 's "R0" register

    user5983069
    user5983069
    Resolved
    Part Number: LMK04803 Hi I tried to write data 0x0006 to R0 register ,but I couldn't write by figure1 . I could write by figure 2 . Only R0 couldn't be written by figure1. Another R1~R31,I could write. Do you have some conditions to write R0? or…
    • Resolved
    • over 2 years ago
    • Clock & timing
    • Clock & timing forum
  • Answered
  • LMK04803: PLL2_CP_POL and PLL1_CP_POL

    Hirotaka Matsumoto
    Hirotaka Matsumoto
    Resolved
    Part Number: LMK04803 Hi all Would you mind if we ask LMK04803? <Question1> On the datasheet P88, there is the description, "8.6.3.13.3 PLL2_CP_POL, PLL2 Charge Pump Polarity PLL2_CP_POL sets the charge pump polarity for PLL2. The internal VCO…
    • Resolved
    • over 1 year ago
    • Clock & timing
    • Clock & timing forum
  • Answered
  • LMK04803: Automatic on "8.3.9.3.2 Methods of Generating SYNC"

    Hirotaka Matsumoto
    Hirotaka Matsumoto
    Resolved
    Part Number: LMK04803 Hi all Would you mind if we ask LMK04803? <Question1> Our customer would like to configure all outputs with sync. Using Automatic on "8.3.9.3.2 Methods of Generating SYNC", is it possible to configure all outputs with sync…
    • Resolved
    • over 1 year ago
    • Clock & timing
    • Clock & timing forum
  • LMK04803: question about phase noise

    user6057804
    user6057804
    TI Thinks Resolved
    Part Number: LMK04803 Hello, I used LMK04803 in my design of clock tree. But this is a general question, see below. There are two signals: A and B. They have the same frequency, but different phase noise. On one branch, A and B mix directly and remove the…
    • over 2 years ago
    • Clock & timing
    • Clock & timing forum
  • Answered
  • LMK04803: LMK04803

    Andreas Nicklas
    Andreas Nicklas
    Resolved
    Part Number: LMK04803 Other Parts Discussed in Thread: PCM1792A , LMK1C1104 Hi, first of all this is a great chip! In order to optimize LVCMOS series termination I like to know the LMK04803 clock output impedance but can't find it in the product sheet…
    • Resolved
    • over 2 years ago
    • Clock & timing
    • Clock & timing forum
  • LMK04803: LMK04803B -TICS PRO-PLL2 is not locking

    Nasim Soufizadeh
    Nasim Soufizadeh
    TI Thinks Resolved
    Part Number: LMK04803 Hello, We are using LMK04803B on our board and the output measured frequencies are not at the expected values. TICS PRO has been used for the settings and the output has been programmed for 10MHz and 25MHz but we are getting 10…
    • over 2 years ago
    • Clock & timing
    • Clock & timing forum
>

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