[time-nuts] Ideas for a long-wave receiver sought
marc at msys.ch
Mon Jun 22 05:30:56 EDT 2009
Am 22.06.2009 um 10:14 schrieb Poul-Henning Kamp:
> 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
Ok, thanks. I happen to have some Overp Earth boards, OMAP 3503
Application Processor with ARM Cortex-A8 CPU, do you think these
will handle the job? (runnin at 600 MHz). They say it makes up 1200
> See for instance: http://phk.freebsd.dk/AducLoran
Thanks for the pointer, I already found that, nice work!
> 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
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