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cc1101 used for dual band receiver, 433 and 868 MHz

Paolo Subiaco1
Prodigy 110 points

Hi.

Please could you suggest me an example of balun (with discrets inductors and capacitor) + input matching network that works well for both 433 and 868Mhz? I'm working in a dual band receiver, and have not much space for large network nor budget for 2 antenna switches.

Thanks a lot. Paolo

  • 0
    TI__Guru**** 317180 points

    Rx: It is possible to use the BOM we have for 868 for both frequency bands without loosing sensitivity.

    Tx: 868 MHz is very close to the second harmonic of 433 MHz hence it is not possible to use the same filtering on both bands and be compliant with regulations on the second harmonic.