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[Discuss-gnuradio] Simultaneous RX/TX using RFX2400 Boards.

From: Tarun Tiwari
Subject: [Discuss-gnuradio] Simultaneous RX/TX using RFX2400 Boards.
Date: Wed, 7 Mar 2007 12:47:39 -0600


I have written a code for simultaneous TX/RX for RFX2400 as followed below:

self.rx = usrp.source_c (0,self.decim)
self.tx = usrp.sink_c (0, self.interp)
fg = my_graph()
fg.subdev.set_enable(True) # Enable transmitter
fg.connect(fg.rx, fg.tx)

When I receive and then transmit, the waveform distortiton is very high on transmit path. I used different combination for decimation and interpolation rates, but that didn't work.

I am recieving a sinusoid wave using RX2 port on 2.40GHz and transmitting using TX/RX port on 2.48GHz.

Can somebody tell me about the reason for distortion?

Thanks in advance.

University of Texas -Dallas

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