I am trying to use the USRP 2 radio.  I have been using the
rx_streaming_sample script to collect data.

 

If I use the rfx1800 daughtercard the results from the set_center_freq
command seem correct but the output

looks as if the receive channel is not connected (changing gain does not
affect output levels).

 

If I try the lfrx or dbs daughter cards the set_center_freq response appears
incorrect.

The baseband frequency is 0 and the ddc frequency is the negative of the
commanded frequency.

 

Any suggestions?

 

==============================

Jim Graham

Black River Systems Company, Inc.

162 Genesee Street, Utica, NY 13502

       e-mail : gra...@brsc.com

       voice  : (315) 732-7385 x146

       fax :     (315) 732-5837

==============================

 

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