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CC2430 module with integrated antenna

Jose Afonso
Prodigy 60 points
Other Parts Discussed in Thread: CC2430, CC2530, CC2531, SIMPLICITI

Hi,

I'm implementing my own protocol stack (basically the MAC layer) in the CC2430 chip, replacing the IEEE 802.15.4/ZigBee stack. Currently, I am programming the stack in the CC2430 Evaluation Module; however, this module has an external antenna.

I'd like to know if there is a module (from TI or other company) with the CC2430 and an integrated antenna that allows me to program my own protocol stack in the CC2430. My goal is to attach this module to a PCB with sensors, but I need the resulting hardware to be as compact as possible.

In alternative, I could use a CC2530 module with internal antenna, as long as I could program my protocol stack in this module.

Thanks,

Jose Afonso

  • 0
    TI__Mastermind 19350 points

    I would very highly recommend working with the CC253x instead.

     

    The the CC2531 USB Dongle has a PCB antenna designed as a meandered inverted F antenna:

    http://focus.ti.com/docs/prod/folders/print/cc2531.html

     

    Also, any one of the many talented TI partners should already have or be able to quickly spin a module for you:

    http://focus.ti.com/general/docs/gencontent.tsp?contentId=29033

     

    Instead of the cost and risk of implementing your own protocol stack, perhaps SimpliciTI would help you solve your problem?

    http://focus.ti.com/docs/toolsw/folders/print/simpliciti.html

     

    Good Luck - perhaps we will see you back as a TI partner yourself?!

     

  • 0 in reply to Dirty Harry
    Prodigy 60 points

    Thanks for your reply.

    Can you tell me why you recommend the use of the CC253x instead of the CC243x?

    We made a PCB with the CC2430 and the meandered inverted F antenna that you refer, but we are having some problems. The received power is around 30 dB below the level obtained with the CC2531 USB Dongle. Maybe the problem is due to the TXRX_SWITCH pin of the CC2430 (this pin doesn't exist in the CC253x, so we had to adapt the schematics).

     

  • 0 in reply to Jose Afonso
    TI__Mastermind 19350 points

    In general, the CC2530 is recommended for new designs because:

    1. The CC2530 is the next gen SOC.

    2. The CC2530 has larger flash size(256k versus 128k for CC2430) to incorporate ZigBee Pro stack (the CC2430 only has the ZigBee 2007 stack).

    3. CC2530 offers +5dBm output power versus 0Dbm for CC2430.

    4. CC2530 has better receive sensitivity (approx +5dBm) giving a link budget of +102dBm

    5. CC2530 is a smaller footprint (6x6) package and smaller pin count 40 versus 48 which offers lower total system price over CC2430.

    There is also the CC2531 which offers USB. And the CC2530ZNP which offers a ZigBee network processor, or ZigBee module ready to go.