Dan Halperin wrote: > Matt Ettus wrote: > >> All RFX boards currently shipping are configured for MIMO_B mode, which >> requires a Rev 4 or higher USRP (serial number greater than 500). >> >> If you wish to use it with a USRP with a serial number below 500 you >> will need to do the following: >> >> Remove R115 (zero ohms) and place it at R116 >> Remove R36 (zero ohms) and place it at R34 >> Put the RFX on a USRP (side A) and run the following: >> >> usrp/host/apps/burn-db-eeprom -f -A -t rfxYYYY_mimo_a >> >> where YYYY is the board you have (i.e. 400, 900, 1200, 1800, >> or 2400). >> > > Perfect! Two questions: > > What's the difference between MIMO-B and MIMO-A? > > I assume burning the eeprom is undo-able (redo-able, I suppose)? >
MIMO_B uses the 64 MHz oscillator from the motherboard (only on the newer ones), and is cleaner. MIMO_A uses an FPGA pin as a clock so it isn't as clean. Matt _______________________________________________ Discuss-gnuradio mailing list [email protected] http://lists.gnu.org/mailman/listinfo/discuss-gnuradio
