[time-nuts] GPS SDR

Attila Kinali attila at kinali.ch
Thu Feb 2 09:05:49 UTC 2012

On Thu, 2 Feb 2012 11:41:17 +1100
Tristan Steele <tristan.steele at gmail.com> wrote:

> I have been looking at SDR GPS reception for a while, and have a number of
> ideas as to how to go about this process.  My first point of call is the
> layout of a board using a MAX2769B (1) receiver chip attached directly to a
> Spartan 3E- 500 FPGA and then to a USB interface.  I have decided to do
> this using an add-on board to the Papillio FPGA boards (2) that have been
> linked here before, incorporating the receiver chip, level shifters, power
> supplies, as well as a somewhat buffered SMA input for monitoring an
> external signal.  The original board design requires an external reference
> oscillator for the MAX2769B, I am intending to operate it with a 10MHz
> signal to begin with.

Heh.. I thought about using teh DE0-nano board from terasic for something
similar.. but never got around to buy one..
> Anyway, I will be happy to share progress as it occurs if anyone is
> interested?

We are, of course, interested :-)

			Attila Kinali

The trouble with you, Shev, is you don't say anything until you've saved
up a whole truckload of damned heavy brick arguments and then you dump
them all out and never look at the bleeding body mangled beneath the heap
		-- Tirin, The Dispossessed, U. Le Guin

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