• LMK05318BEVM: Using TCXO or OCXO on LMK05318BEVM

    Part Number: LMK05318BEVM
    Other Parts Discussed in Thread: LMK05318B, LMK05028, LMK5B33216, LMK5B12212

    Tool/software:

    Hello

    I would like to implement the 3-loop mode in the  LMK05318BEVM . For this i have to solder a TCXO since the TCXO or OCXO is responsible…

  • LMK05028: How to use a PLL with the recovered clock of DP83869

    Part Number: LMK05028
    Other Parts Discussed in Thread: DP83869

    Tool/software:

    I am interested in using the LMK05028 (or something similar) to drive the clock of the AM263P4AC using the recovered clock from the DP83869 PHY. However, I am a bit confused…

  • LMK05028: LMK05028

    Part Number: LMK05028

    Tool/software:

    On the circuit, the 'LMK05028' and the oscillators (XO, TCXO) mentioned below are installed. Ref_IN1 is fed with 5MHz (LVCMOS).  We want to synchronize 125MHz (Out0) with REF_IN1.

    Several tests were done by…

  • LMK05028: import reg .txt file into TicsPro GUI

    Part Number: LMK05028

    Tool/software:

    Hi Team,

    I have register config .txt file for LMK05028 used in our board, would like to import reg file into TICSPro GUI to see the exact settings for LMK05028 and save into .tcs file. Kindly provide suggestions to…

  • LMK05028: Further problem with getting PLL2 to lock to a reference input when configured in 2-loop, REF-DPLL mode.

    Part Number: LMK05028

    Tool/software:

    Hi,

    Further to my original question “LMK05028: Problem getting PLL2 to both phase and frequency lock to IN0 ref input” on 29-Oct-24, I now have another problem. PLL2 is configured in 2-loop REF-DPLL mode.…

  • LMK05028: Problem getting PLL2 to both phase and frequency lock to IN0 ref input.

    Part Number: LMK05028

    Tool/software:

    I am trying to use the LMK05028 part to generate a reference clock using PLL1 and clean an incoming clock using PLL2.

    I am using the evaluation board, where the XO frequency is 10 MHz and the TCXO frequency is 48…

  • LMK05028: LMK05028 OUT-DELAY IN TICS PRO SIMULATION

    Part Number: LMK05028
    Other Parts Discussed in Thread: LMK5B33216, LMK5C33216A

    Tool/software:

    Hello,

    We are using the LMK05028 in our design, and I am trying to simulate output delay using TICS Pro. However, I am not able to find any option for configuring…

  • LMK05028: The output frequencies incorrect

    Part Number: LMK05028
    Other Parts Discussed in Thread: LMK5B33216

    Tool/software:

    Problem Description:

    LMK05028 The output frequencies of CH1 and CH6 required by the current system are incorrect.

    Please help provide the correct TCS configuration file…

  • LMK61E08: Recommended Oscillator

    Part Number: LMK61E08
    Other Parts Discussed in Thread: LMX2820, , LMK05318, LMK05028, LMK05318B, LMK61E2, LMK6P

    Tool/software:

    Hi All,


    A customer is considering LMX2820.
    We are currently taking measures to reduce phase noise.
    Among them, we are considering…

  • LMK6C: Oscillator input to LMX2820

    Part Number: LMK6C
    Other Parts Discussed in Thread: LMX2820, LMK61E08, LMK05318, LMK05028, LMK03328

    Hi All,


    A customer is considering LMX2820.
    We are currently taking measures to reduce phase noise.
    Among them, we are considering TI's oscillator for input…

  • LMK05028: LMK05028 HARD PIN MODE

    Part Number: LMK05028

    Tool/software:

    Hi,

    We're using LMK05028 IC in circuit.

    We're configured described hard pin mode in datasheet. In this case, the (ROM) LMK05028 output signals frequency is not shared in the datasheet.

    What are the output signal…

  • LMK05028: High jitter on outputs of two identical boards fed by common 10 MHz

    Part Number: LMK05028

    We’re working with two identical boards, each of which have an LMK05028 and each of which are fed by a common 10 MHz that’s going through a splitter. We’ve programmed each LMK05028 to output 375 MHz from Outputs…

  • LMK05028: PLL1 doesn't achieve lock, but PLL2 does

    Part Number: LMK05028

    Input reference is 10MHz on Input 3 coming from Rohde Schwartz test equipment (high quality OCXO source)

    Overall Status       0x000D Read: 0x00000022
    PLL1 Lock Status 0x000E Read: 0x000000c0
    PLL2 Lock Status 0x000F Read: 0x00000000

    DPLL1…

  • LMK05028: Register Map

    Part Number: LMK05028

    Hello team,

    I can't find register map for this device on the datasheet.

    Could you please tell me which register to look for for each below:

    1. Which INx is selected for each DPLLs
    2. Which DPLL is selected for each OUTx
    3. Lock detect…
  • LMK5C33216EVM: Use LMK5C33216 EVM with GPS PPS as the reference clock

    Part Number: LMK5C33216EVM
    Other Parts Discussed in Thread: LMK5C33216, LMK05028, LMK5C33216A

    Hello, 

    I bought the LMK5C33216 EVM to test with1-PPS inputs as the reference clock. 

    I would connect a PPS to IN0 (1Hz) and I would like to have the following ouputs…

  • LMK05028EVM: LMK05028 in 1 PPS synchronizing aplications or LMK5C33216 - LMK5B33216

    Part Number: LMK05028EVM
    Other Parts Discussed in Thread: LMK5C33216, LMK5B33216, LMK05028

    Hi Expert, 

    I have purchased the LMK05028EVM board with the objetive of development of a sensor acquisition system, capable of synchronizing measurements in various…

  • LMK05028: LMK05028: How to use GPS PPS as the reference clock to generate 40 MHz

    Part Number: LMK05028
    Other Parts Discussed in Thread: SN74AXC8T245EVM, LMK5C33216, LMK5B33216

    Hello,

    I try to follow the test in the forum :"LMK05028: How to use GPS PPS as the reference clock to prevent output frequency drift?"

    LMK05028: How…

  • LMK05028: Register R13 (INT_LIVE0), R14 (INT_LIVE1) and R15 (INT_LIVE2)

    Part Number: LMK05028

    I am trying to get the PLL lock status. I found these three registers which have some bits indicating if there is loss of lock or not. Are these are right registers to get the status from or there are some other registers to get…

  • LMK05028: LMK05028 I2C communication issue

    Part Number: LMK05028
    Other Parts Discussed in Thread: USB2ANY

    I am using TICSPRO software for initial programming of LMK05028. I am following the below steps

    1. Connecting the LMK05028 using USB2ANY adaptor.
    2. Selecting LMK05028 in the TICSPRO software…

  • LMK05028EVM: Default .tcs file

    Part Number: LMK05028EVM
    Other Parts Discussed in Thread: LMK05028, LMK5C33216, LMK5B33216, LMK05318B, LMK5C33216A, LMK5C33216EVM

    Hello 

    I bought a LMK05028 EVM. I have several questions 

    1) Do you know where I can find the initial .tcs file that is load…

  • LMK05028: Unable to detect the device on i2c bus

    Part Number: LMK05028

    Hi,

    I have the lmk05028 connected to my system but when I try to detect it using i2cdetect command, I cannot find it. The device is not mentioned in the device tree and there is no driver as well but to my understanding I should be…

  • LMK05028: Not phase locked to 25MHz input reference.

    Part Number: LMK05028

    Hello, 

    I have a design working with the LMK05028. I am attempting to use it in the 2 loop; REF, APLL mode. 

    I have a LVDS input on IN0 at 25MHz and an XO at 48MHz. I'm using both PLL1 and 2 to output 100MHz and 312.5MHz respectively…

  • LMK05028: 1PPS validation & output DPLL locking issues

    Part Number: LMK05028
    Other Parts Discussed in Thread: LMK05318B, LMK5B33414, LMK5B33216, LMK5B12204

    Hi,

    I'm using the LMK05028 to synchronize to a 1PPS input and generate a 1PPS, 32.768MHz & 2.56KHz at the outputs using only DPLL2. The outputs need to…

  • LMK05028: Changing the input from XO to INx

    Part Number: LMK05028

    Hi team,

    If the DPLL input is programmed into non-volatile memory to use the XO pin by default, how to change the input to INx pin instead?

    Can this be programmed, or is achieved by external circuitry?

    Regards

  • LMK05028: Exceeding max INx frequency

    Part Number: LMK05028
    Other Parts Discussed in Thread: LMK5B33216, LMK5C33216

    Hi team,

    My team is current using LMK05028 with INx frequency 388.8MHz, which is smaller than the maximum INx frequency rating.

    However, it appears that due to the customer…

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