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Module PCB layout

Kiran Lall
Intellectual 310 points
Other Parts Discussed in Thread: CC3200MOD, CC3100, CC3200

Hi,

I have a couple of queries regarding PCB layout for using the CC3200MOD, specifically relating to minimising costs for FCC certification, and minimizing footprint. The radio certification page on the wiki states that the trace path must be copied exactly. I can see from the FCC filing for the CC3200MOD-LP (picture 4) that the path is curved and includes 2 murata connectors (J18 and J24). In SWRU370 the path is straight and includes a filter.


What I want to do is use just the recommended chip antenna and network with the shortest (straight) path possible on a 2 layer PCB.

If I don't want a murata connector, would I need to re-file?

Does changing (i.e. reducing) the trace path require a re-file?

Is the existing certification based on the CC3200MOD-LP or the LAUNCH-XL? (or both?)

Would using a 2 layer board require a re-file?

Does the CC3200MOD include a 2.4ghz filter in the path? That seems to be the only difference on RF sections in the Hardware Design Review spreadsheet between the MOD and QFN.

Finally, can you confirm that pins 55-63 on the CC3200MOD are the big ones in the middle of the module?

Thanks

  • 0
    TI__Prodigy 220 points

    Hi,

    CC3100 Module has L type routing on the RF path

    CC3200 Module has an arc kind of routing with respect to RF Path.

    We are checking with the certification house ,regarding the scenarios in which we can do limited set of FCC Certification.We will get back to you on the same