The USRP has an Altera Cyclone EP1C12 FPGA. GnuRadio has 6 different FPGA cores for the USRP under /home/azimout/gr/gnuradio-3.1.2/usrp/fpga/rbf/rev4 (rbf stands for Raw Binary File, rev4 is any USRP after 2006 more or less):

  • inband_1rxhb_1tx.rbf
  • inband_2rxhb_2tx.rbf
  • multi_2rxhb_2tx.rbf
  • multi_4rx_0tx.rbf
  • std_2rxhb_2tx.rbf
  • std_4rx_0tx.rbf
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