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Modulation Format for CC1200

SFarzan
Prodigy 70 points
Other Parts Discussed in Thread: CC1200

Hi,

Can someone explain which modulation format (2FSK, 4FSK, 2GFSK, 4GFSK) works best for an application using CC1200, 915 MHz, low power mode and data rate around 50kbps? What would be the difference practically? I would appreciate it. Thanks.

  • 0
    TI__Guru**** 317180 points

    Similar questions have been asked a few times before on the forum and by doing a search you will find what you are looking for.

    You will always get better sensitivity and hence range with 2(G)FSK compared to 4(G)FSK since more levels require higher SNR. FSK is slightly more robust than GFSK (better sensitivity) but GFSK is more often used since it's more spectrum efficient than FSK. 4(G)FSK is typically used when the datarate has to be optimized within a given channel bandwidth.