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CC1101: ASK Modulation, transceiver abnormal

Timsen
Expert 1660 points
Part Number: CC1101


Dear all：

      At present, the wireless transceiver of 2-FSK (GFSK) achieved by SPI control CC1101 is normal, while the transceiver using ASK modulation is abnormal.

SmartRF Studio is used in the software to modify two registers based on 2-FSK.MDMCFG2 = 0x33, FREND0=0x11, everything else is the same.The sending and receiving code is the same set, but the use of 2-fsk to achieve the sending and receiving function, changed to ASK, no sending and receiving, why?Could you give me some advice?

Thank  you!

  • 0
    TI__Mastermind 27145 points

    Hi,

    2-FSK modes may not work with ASK.

    Please use Date Rate: 1.2KBaud, ASK, RxBW: 58KHz under Typical settings. First use as it is (you can change Frequency) and make sure the link is working without any issue. Then change the RF parameters to the desired and try again. Change only one parameter at a time. That way it is easier to debug (if it fails).

    Thanks,

    PM