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LMX2594: 3GHz & 6GHz output?

Eddie Koh
Genius 10645 points

Part Number: LMX2594
Other Parts Discussed in Thread: LMX2582

Can we configure LMX2594 to get 3GHz on RFoutA and 6GHz on RFoutB?

  • 0
    TI__Genius 12705 points

    Hello Eddie,

    This exact configuration would not be settable with internal PLL/VCO. The LMX2594 has a common channel divider, so to get different frequencies from RFoutA and RFoutB one output mux must be set to the VCO direct or SYSREF.

    SYSREF is intended for lower frequencies and will have minimum divider greater than 2.  The VCO min frequency is 7.5GHz so this is above the range to allow for VCO direct.

    Regards,

  • 0 in reply to Liam Keese
    TI__Genius 12705 points

    Eddie,

    You can try LMX2582 as option. This would support VCO direct of 6 GHz and /2 for the second output.

    Regards,