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LMX2492-Q1: fastest FSK and PSK modulation rates

Expert 5535 points

Replies: 2

Views: 122

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

  • Genius 11700 points
    Hi Jonathan,

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

    Regards,
    Hao

    Clock and Timing Systems & Applications

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  • In reply to Hao Z:

    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.

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