[time-nuts] Ideas for a long-wave receiver sought
Poul-Henning Kamp
phk at phk.freebsd.dk
Mon Jun 22 08:14:41 UTC 2009
In message <38553AAD-ECC6-4AF8-90B3-42BBEC366CA6 at msys.ch>, Marc Balmer writes:
>I want to build a small, cheap, yet precise long-wave receiver which
>can be
>tuned from the computer in the 2KHz - 200 KHz range (the intended use
>is to receive various time signal stations).
>
>Does a chip for such a receiver exist? Should I take the SDR route?
>I designed a DCF77 receivers some years ago, but I need something
>more flexible (and a bit more modern...)
Go SDR.
There are ARM7 chips now that have sufficient ADC quality to do the
job.
See for instance: http://phk.freebsd.dk/AducLoran
Poul-Henning
--
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
phk at FreeBSD.ORG | TCP/IP since RFC 956
FreeBSD committer | BSD since 4.3-tahoe
Never attribute to malice what can adequately be explained by incompetence.
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