[time-nuts] OT: 10 MHz data capture, help
wb6bnq at cox.net
Fri Apr 10 21:36:12 UTC 2009
> Tom Van Baak wrote:
> > I have a old data device that is spitting out TTL data at 10 MHz.
> > There's just a data line (no clock) but the edges clearly indicate
> > an internal 10 MHz clock.
> > I'd like to do a continuous capture of the bits, for up to tens of
> > minutes, into a PC. That comes to about 1 GB of raw data. I can
> > handle the decoding of the bits in software after the capture is
> > done. This is a one-time experiment.
> > What is the best/quickest/easiest way to capture data like this?
> > I've looked at various USB or LAN logic analyzer and 'scopes
> > but most seem to work on batches of data. I need a continuous
> > capture.
> > /tvb
> As others have suggested, perhaps a Software Defined Receiver would do the
> trick. The best one on the market and the cheapest uses a very high speed A/D
> process for a range of 500Hz to 30MHz.
> Look at the following URL: http://www.rfspace.com/SDR-IQ.html
I forgot to point out that the price is $499.00. QUITE reasonable !
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