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delay time considerations

For indoor positioning we need a demodulator with a guaranteed propagation delay within 10ps accuracy ( delaymay be much longer as long as it is Always the same time).

Will the TRF371125EVM answer for our needs or are there better solutions available?

Best regards

Robert Dugour

Cinnovate

  • Yes, I think the TRF3711 will suffice for this application.  Check out figure 40 in the D/S which illustrates relative group delay performance.  That data was taken over multiple units and the results were very consistent.  If you keep the integrated filter BW large or in bypass mode and you keep the signal at relatively low frequencies then the group delay variation is consistent.

    --RJH

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