Hi:
I'm still working on this slowly. I've selected the Maxim 2745 as the
best part available that is reasonably accessible. I've ordered and
received samples of the part from Maxim, and am starting to work on a
block diagram, followed by a schematic. This is looking like a RX module
to plug in
Please excuse the spelling errors, I'm using webmail today.
Right now it looks like my software does to the demodulation and calculation of
position into xyz coordinates, I'm still looking for enough raw data to be able
to test the full position calculation.
Major todos:
-Integration with GNURad
On Sun, Mar 20, 2005 at 09:21:08AM -0500, David Bengtson wrote:
> Hi:
>
> I'm still working on this slowly. I've selected the Maxim 2745 as the
> best part available that is reasonably accessible. I've ordered and
> received samples of the part from Maxim, and am starting to work on a
> block d
We can do this I am sure. I thank Dave and Krys for the advance
work they have been doing when not many (any?) were "listening".
If we allow the FPGA to do (carrier phase/code) (acquisition/tracking )
in a joint-detection process run on the FPGA, I believe we can do a 12
channel receiver.
In addi
On Sun, 20 Mar 2005 21:33:21 -, Robert McGwier
<[EMAIL PROTECTED]> wrote:
> We can do this I am sure. I thank Dave and Krys for the advance
> work they have been doing when not many (any?) were "listening".
> If we allow the FPGA to do (carrier phase/code) (acquisition/tracking )
> in a joint-
I still can't figure it out. Can anyone of you guys
help me with it?
> Hi guys
>
> I got a bit confused by the code for FM demodulator.
> In function parseargs(), why we return freq1 - 128e6
> instead of freq1 itself? What does 128M stand for?
>
> Thanks
>
> Sachi
>
>
>
> _
My current thought's on a GPS front end is to make it GPS specific, as
there are Receiver's on a chip that take care of the details' of
downconversion, filtering, etc. The downside is that it's pretty single
purpose, and doesn't really support anything else. In other words, no
wideband front en
On Sun, Mar 20, 2005 at 04:47:11PM -0800, Sachi wrote:
> I still can't figure it out. Can anyone of you guys
> help me with it?
>
> > Hi guys
> >
> > I got a bit confused by the code for FM demodulator.
> > In function parseargs(), why we return freq1 - 128e6
> > instead of freq1 itself? What doe
>
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Thanks Eric, so the usrp accepts negative
IF¡¡frequency?
Sachi
--- Eric Blossom <[EMAIL PROTECTED]> wrote:
> On Sun, Mar 20, 2005 at 04:47:11PM -0800, Sachi
> wrote:
> > I still can't figure it out. Can anyone of you
> guys
> > help me with it?
> >
> > > Hi guys
> > >
> > > I got a bit confuse
Quoting Sachi <[EMAIL PROTECTED]>:
> Thanks Eric, so the usrp accepts negative
> IF¡¡frequency?
Yes
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