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[aprssig] Info about Kantronics KPC-3+

Tom Hayward esarfl at gmail.com
Fri Oct 22 16:10:47 UTC 2010


> I was considering the Open Tracker 2, but the demodulator is built
> around the old 2211 PLL, which is not so good like the MX/FX614 used
> on KPC-3...

Not anymore! Version 2 uses an MX614.

http://n1vg.blogspot.com/2009/09/ot2m-version-20.html
> The most obvious difference between version 2.0 and version 1.0 is that
> the demodulator is a CML Micro MX614 instead of the NJM2211 from
> NJR. Getting consistently good performance from the 2211 has been a
> pain. The switch to the MX614 is going to mean a cost increase of at
> least a few bucks, but I think it'll be worth it for the improved RX
> performance and decreased testing and tuning burden.


Tom KD7LXL



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