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Thread: TDA5150 PLL error

  1. #1
    New Member New Member andrvisht is on a distinguished road
    Join Date
    Jan 2020

    TDA5150 PLL error

    Hi All.

    I tuned the registers according to the set frequency in TESEUS.
    XTAL 13.56 MHz
    out freq: 868.4 MHz
    ISM - 2
    PLL INT - 63
    PLL FRAC 2: 1: 0 - 16 169 39
    FRAC compensation 1
    But when I try to issue a signal, I get the status
    PLL lock detector error

    I tried different crystal oscillators, but as soon as the PLL value should give out the frequency in the selected ISM range, I get this error.
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    What am I missing?
    Last edited by andrvisht; Jan 6th, 2020 at 02:33 AM.

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