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[Discuss-gnuradio] Flex RF boards + GRC

From: Josh Blum
Subject: [Discuss-gnuradio] Flex RF boards + GRC
Date: Mon, 16 Jul 2007 23:46:43 -0400
User-agent: Thunderbird (X11/20070326)

To those users who reported problems with the flex2400 boards and GRC:

Under GRC, users were having trouble sending simple test tones between flex2400 boards. I assume that the other flex boards had a similar problem. Basically, the USRP source and sink in GRC did not have any of the advanced flex rf options, which I assume are: "Auto T/R switching", "Toggling the transmit enable", and "Selecting the RX antenna" (any more?).

Reasons for previous troubles and confusions: The RX antenna defaults to the TX/RX connector, not the RX connector (you may have used the wrong sma connector?). The transmit enable was not called (transmitter in an unknown state?). Now I have added these options and your confusions are configurable.

I did a simple transmit and receive tone test on the 2400 boards. If anyone can verify that other boards (flex or otherwise) works, that would be great to know.

Its in the trunk:
svn co http://gnuradio.org/svn/grc/trunk grc


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