[aprssig] Info about Kantronics KPC-3+

Tom Hayward esarfl at gmail.com
Fri Oct 22 12:10:47 EDT 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.

> 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.


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