IWR6843AOP: IWR6843aop

duc nguyen

Part Number: IWR6843AOP
Other Parts Discussed in Thread: IWR6843

Tool/software:

iwr6843 radiated emissions issues.

I running to the 400MHz noise overlimit by 3dBm. This frequency is come from 40MHz xtal for the IWR6843. I have a 4.7pF cap on CLKP and CLKM pins.is anything I can do to lower the emissions without any functional lost?Thanks

11 months ago

0 Pedrhom Nafisi 11 months ago

TI__Mastermind 23067 points

Hello,

An expert will respond to you by Monday evening.

Best Regards,

Pedrhom

0 Blake Kisshauer 10 months ago in reply to Pedrhom Nafisi

TI__Expert 4330 points

Duc,

I recomend examinging your ground return paths on the XTAL, the synth decoupling capacitor, the vco decoupling capacitor, and the XTAL capacitors. Please ensure that there is a clear and short ground return path. Long ground return paths can act as effective radiators.

Thanks,

Blake

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IWR6843AOP: IWR6843aop