|Subject:||[Discuss-gnuradio] USRP IQ Sampling - Channel Confusion|
|Date:||Wed, 30 Sep 2009 18:29:52 -0700 (PDT)|
I am slightly confused on the USRP configuration. The spec sheet says there are 4 input and 4 output channels. Assuming you use two LFTX, and two LFRX daughter cards, it makes sense that you have 4 input and 4 output channels since each daughtercard has a jack labelled A or B.
For IQ sampling with an individual antenna, would I connect the leads of the antenna to an A and B channel on the LFRX for receive, and an LFTX A and B channel for transmission?
To do simultaneous transmit and receive, would some type of external switching circuit be required? If not, how would I go about doing this?
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