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IWR1443BOOST: IWR1443BOOST Antenna revisions and noise floor of the chip

Part Number: IWR1443BOOST

Dear TI/Everyone

I've been trying to investigate carefully the chip and have the couple of questions:

1) On the data sheet of the IWR1443BOOST we can see that there were 3 revisions of the board. In particular, it appears that there were some modifications of the antenna on the board (some additional parasitic elements were added). On the current PDF, we can see that there is an old antenna. So does it mean that the antenna results which are provided in the data sheet for the old antenna? Is there a way to find out what are the specification of current new antenna and the reason why it was updated?

2) Does anyone performed the noise floor characterization of the chip? We did some preliminary analysis, and it appears that when using full bandwidth of the chip, the noise floor is roughly around -75 dBm. Is there a way to find out the noise floor of the chip for one channel and variation over the used bandwidth?

Thank you