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AX5043 as RFIC? #4
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What is the roll-off factor for the Raised Cosine filter (AMPLSHAPE=1)? |
AX5043 is a cool little chip. I'm testing its performance right now. M17 mode TX is possible. |
Looks like a nice chip. Is it easy to program arbitrarily without having to generate static RF config from proprietary tools? Also careful, it has an interoperability erratum: GFSK may not work well with other non-onsemi transceivers. |
See this gist. |
It's nice chip because it has many modulations that other chips lack of. |
Definitely! @sp5wwp thats great! BTW I suggest avoiding floating point in embedded code :) A shame that the devboard is so expensive and the MOQ is 5 at farnell, I would have got one asap! |
since APRS(AFSK mod) and analog FM are listed in feature list, I'd recommend AX5043 as the RFIC which has AFSK demod embedded (vital for power saving by WOR mode) and also analog mode(even AM). check this project for a proof of practise.
Btw, AX5043's sensitivity is higher -126 vs -122 with even lower price 1.2$ vs 2.4$ and half current 10ma vs 20ma.
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