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Re: [Discuss-gnuradio] I&Q on same or separate channels?

From: Brian Padalino
Subject: Re: [Discuss-gnuradio] I&Q on same or separate channels?
Date: Fri, 14 Dec 2007 13:10:51 -0500

On Dec 14, 2007 12:51 PM, George Nychis <address@hidden> wrote:
> Taking a look at how the legacy code does it...
> http://gnuradio.org/trac/browser/gnuradio/branches/developers/gnychis/inband/usrp/fpga/sdr_lib/rx_buffer.v#L137
> What do you think about adopting this method?  It's using a 16-bit wide
> FIFO still and just alternating between which channel it is feeding in
> to the FIFO using a channel counter (store_next).  In our case, we would
> just alternate between channel 0 and channel 1 to have 1 full data
> channel, for now. Unless there is something different in our case that
> I'm unaware of.  This would prevent us from having to change the
> megacells and re-write some of the other state machines.

That can work too, though I am not sure you're really saving yourself
a lot of re-writing.  Are you going to put in registers to determine
if the data coming back should be real or interleaved complex?


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