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  • LMX2572LPEVM: Evaluating the PLL lock time of the LMX2572LPEVM

    TI Thinks Resolved
    Part Number: LMX2572LPEVM I am evaluating the PLL lock time of the LMX2572LPEVM. I measured the time vs. frequency ratio when changing the frequency from 100MHz to 125MHz. The frequency change method was as follows: * Changed the N-divider value from…

  • LMX2572LPEVM: Phase Noise in VCO3

    Part Number: LMX2572LPEVM Other Parts Discussed in Thread: LMX2572LP I have noticed that the phase noise performance of VCO3 in the LMX2572LP is worse than that of the other VCOs. Figure 1 shows the phase noise of VCO3 at its upper frequency limit and…

  • LMX2572LPEVM: On-board crystal oscillator not working

    TI Thinks Resolved
    Part Number: LMX2572LPEVM Other Parts Discussed in Thread: LMX2572 Tool/software: Hi all, We are trying to use the TI LMK60E2-100M00SIAT to provide 100MHz reference clock for our EVM board. We soldered the IC on to the board by following the connections…

  • LMX2572LPEVM: Re: LMX2572LP EVM

    Part Number: LMX2572LPEVM Other Parts Discussed in Thread: LMX2572LP Tool/software: Dear Technical Team, Recently, I bought the LMX2572LP EVM. The problem is, that I gave the reference input for the PLL of 15.625 MHz. All the prescalers are set to 1…
    • Answered

  • LMX2572LPEVM: Automatic Ramp Generation - Noise peaks too close to the signal

    Resolved
    Part Number: LMX2572LPEVM Tool/software: TICS PRO Hi everyone, We are trying to generate a chirp from 800-900 MHz using LMX2572LPEVM board..the chirp is getting generated but we see a prominent peak at 758 MHz (i.e. very close to the chirp). (screenshot…
    • Resolved

  • LMX2572LPEVM: Understand if its possible to achieve bandwidth greater than just 10MHz for Ramp signal.

    TI Thinks Resolved
    Part Number: LMX2572LPEVM Other Parts Discussed in Thread: LMX2491 Tool/software: Hi everyone, I am trying to get maximum possible bandwidth with LMX2572LPEVM for Ramp generation. I am going for Automatic ramp and we want to generate a chirp signal…
    • Answered

  • LMX2572LPEVM: Design files

    Resolved
    Part Number: LMX2572LPEVM Other Parts Discussed in Thread: LMX2594 , LMX2594EVM , LMX2572LP Hi, Are the design files or step model of LMX2572LPEVM available for download anywhere?
    • Resolved
    • Answered

  • LMX2572LPEVM: About SCK in serial interface

    Resolved
    Part Number: LMX2572LPEVM Other Parts Discussed in Thread: USB2ANY Hello. I have a question about the SCK on the serial interface. In the datasheet it is 24 clocks, but when I measure it, it looks like 23.5 clocks. Is this behavior correct?
    • Resolved
    • Answered

  • LMX2572LPEVM: I have a question about the value of register R112

    Resolved
    Part Number: LMX2572LPEVM Hello. In the datasheet, the maximum value of R112 is 0x01FF. When read back, it is 0xAA81. When I measure it with an oscilloscope, it looks like 0xAA81. Is this behavior correct?
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    • Answered

  • LMX2572LPEVM: Please tell me about "7.3.4 PLL N Divider and Fractional Circuitry"

    Resolved
    Part Number: LMX2572LPEVM Hello. "Default Configuration/Test Mode" was run. fig.01 - 100MHz.jpg The oscilloscope also confirmed 100 MHz. Next, PLL_NUM=16000. fig.02 - PLL_NUM16000.jpg The oscilloscope remains at 100 MHz. How can I get 150 MHz?
    • Resolved

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