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  • LMX2572: Phase Adjustment Capability of LMX2572

    Part Number: LMX2572 Dear TI Team, I want to design a multi channel transmit array which will be integrated to an antenna array in order for beam scanning purposes. My main motivation is to generate the RF signal on each channel rather than generating…

  • LMX2572: LMX2572, FSK modulation input data rate supported?

    TI Thinks Resolved
    Part Number: LMX2572 Hi, In our design we want to use LMX2572 for generating 2-FSK modulated waveform, I have queries about input data rate supported and Timing details. Input data rate is 250kbps and also 500kbps, does this IC supports FSK Modulation…

  • LMX2572: Triangle Waveform Use Lmx2572

    Part Number: LMX2572 We have discovered a rather strange issue, as shown in the following diagram. On the left side, the triangle wave can be generated normally, but on the right side, the code fails to do so. It seems that when sending the triangle wave…
    • Answered

  • LMX2572: LMX2572: Allowable voltage drop during inrush

    Resolved
    Part Number: LMX2572 Dear TI Support, When powering the LMX2572 down and back up using the R0 register (supply maintained at 3V3), we measure a large inrush current and a dip on the power rail (connected to pins other than VccBUF). This dip can go below…
    • Resolved
    • Answered

  • LMX2572: LMX2572 external pull up for increased output power

    Resolved
    Part Number: LMX2572 Other Parts Discussed in Thread: LMX2592 , , LMX2582 Hello, Does the LMX2572 support external pull up resistor, inductor or a tranformer for increased output power like LMX2582 and LMX2592? All the best Kristjan
    • Resolved

  • LMX2572: LMX2572 output skew between RFOUTA and RFOUTB(used as SYSREF)

    TI Thinks Resolved
    Part Number: LMX2572 Hi experts, We want use LMX2572s in our project as a precise auto-aligned SYSREF generators, RFOUTA will be connected to time difference measure circuit, and output a 125MHz clock for multi parts time difference measuring, and RFOUTB…

  • LMX2572: LMX2572 Ramp issue

    TI Thinks Resolved
    Part Number: LMX2572 I have been working on creating ramps on a customized board which has an LMX2572 in the design. Initial experiments with Ramps in sawtooth form. Trying to ramp in between 2400 to 2500 MHz, the current ramp time i achieved 300 uS…
    • Answered

  • LMX2572: Question about capacitor value changes in LMX2572 Revision B and lock instability

    Resolved
    Part Number: LMX2572 Hello, I would like to ask about the capacitor value changes between Revision A and Revision B of the LMX2572 / LMX2572EVM. We are currently evaluating the LMX2572EVM and found that the decoupling capacitor values on the power…
    • Resolved

  • LMX2572: LMX2572 Phase Sync - MASH_SEED Write and Included Channel Divide

    TI Thinks Resolved
    Part Number: LMX2572 Hello, Q1: What is the minimum time interval between MASH_SEED writes via SPI when advancing phase in Phase Sync mode? I've found that using "File/Import hex register values" in TICS Pro with a text file containing 15 pairs of…

  • LMX2572: LMX2572 Chirp Ramp Abnormality & Vtune Collapse When Switching Starting Frequency Between Frames

    Part Number: LMX2572 We use the LMX2572 in Automatic Ramping Mode with the following operating mode: send N chirps per frame, with a total of M frames. The starting frequency is increased by 100 MHz for each frame when switching between frames. The current…

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