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LMX2492-Q1: fastest FSK and PSK modulation rates

Jonathan Geronga
Expert 7930 points
Part Number: LMX2492-Q1

Hi Team,

A customer is asking for the fastest FSK and PSK modulation rates LMX2492-Q1 will support?

Thanks!

Jonathan Geronga

  • 0
    TI__Mastermind 18070 points
    Hi Jonathan,

    I'm not familiar with FSK modulation. My coworker will get back to you soon.

    Regards,
    Hao
  • 0 in reply to Hao Z
    TI__Guru* 90900 points
    Hi Jonathan,

    The FSK rate restriction is set by the loop bandwidth as well as the frequency deviation. You can use PLL Sim to estimate the lock time from fo to fo+delta f, where delta f is the frequency deviation. A higher FSK rate will require higher loop bandwidth in order to reduce lock time.

    We don't suggest PSK, which I think is not robust enough.