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Re: [Discuss-gnuradio] Re: RFX2400 Transmit Receive question

From: Jason Uher
Subject: Re: [Discuss-gnuradio] Re: RFX2400 Transmit Receive question
Date: Fri, 29 Aug 2008 08:48:17 -0500

> For TDMA schemes, it would be very nice to know the delay of the AD/DA
> converters (and filters ...), and easiest would to measure the signal from
> the tx port fed back to the same daughterboard via loopback cable to the rx2.
> As far as I understand, this is not possible. (All this requires the
> timestamps of the inband signaling, of course).
> Would using a second daughterboards rx require a MIMO/modified daughterboard,
> or is it ok to use two non-MIMO rfx2400 on the same USRP? In my case,
> accuracy of about a few samples would be ok, but there might be other cases
> which require higher accuracy.


The post really didn't have anything to do with MIMO, it was more
about whether the RFX cards were full duplex or not,

I see now that Matt sent the reply to me, not to the list, so here is
what he said:

From: Matt Ettus
>Jason Uher wrote:
>>   Is it possible to simultaneously transmit through 'TX/RX' and receive
>>    on 'RX2' of a single RFX board?

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