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  • TI Thinks Resolved

LMX8410L: lmx8410l

Part Number: LMX8410L

Hi all,

When i try to tune the VCO above 7500MHz, Output IF is not getting tunned Eventhough LO frequency is set fine. I think some change has to be made in the tics pro or an register has to be enabled. But Am unable to find it. Do anyone know the reason of it ? And how can i tune it ?

  • In reply to praveen kumar74:

    Praveen,

    That is about the harmonic level of LMX2594. I assume you have LO clear as in LMX2595 is filtered, but RF signal with LMX2594 is not filtered right?

    Also, please standby on the GUI, we are making a fix and update hopefully by early next week.

    Thanks!

    Regards,

    Brian Wang

  • In reply to praveen kumar74:

    NO i don`t  think so, because i had used filters at the RF stage and when i feed this RF signal to other IQ Demodulator from AD. That is not producing any harmonics.

    I had a question.

    There are no filters at the output of the mixers then how the harmonics produced at the output of the mixer gets reduced ?

  • In reply to praveen kumar74:

    Praveen,
    Brian is on vacation til next week and I'm not sure what harmonic levels are typical to expect.
    I am not sure, but these levels might be typical.

    Regards,
    Dean

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