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EVM430-FR6043: Transmit frequency: single tone & F1 to F2 sweep

Yale Li 李耀先
Expert 4660 points
Part Number: EVM430-FR6043

Hi Team,

The customer sets the transmit frequency of EVM430-FR6043 to single tone:

Then the data that ADC captured looks abnormal:

It looks reasonable only when set this option to F1 to F2 Sweep:

But dtof is more different from the tiduej6a's description:

--

Thanks & Regards

  • 0
    TI__Mastermind 35485 points

    Hi Yale,

    We consider the STD of the dTOF below 1ns is a good test setup. If the customer want to improve this result. First, it seems there is still some noise in the ADC capture signal. Try sealed the pipe on both sides and put the pipe in a metal case for testing. Also, connect the metal to the board GND with wire. It could help reduce the noise level and get a better dTOF result. 

    Best regards,

    Cash Hao

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