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-rw-r--r--host/lib/usrp/dboard/db_xcvr2450.cpp3
1 files changed, 2 insertions, 1 deletions
diff --git a/host/lib/usrp/dboard/db_xcvr2450.cpp b/host/lib/usrp/dboard/db_xcvr2450.cpp
index a3a1e6242..e76727bec 100644
--- a/host/lib/usrp/dboard/db_xcvr2450.cpp
+++ b/host/lib/usrp/dboard/db_xcvr2450.cpp
@@ -245,7 +245,8 @@ void xcvr2450::update_atr(void){
int band_sel = (xcvr2450::is_highband(_lo_freq))? HB_PA_TXIO : LB_PA_TXIO;
int tx_ant_sel = (_tx_ant == "J1")? ANTSEL_TX1_RX2_TXIO : ANTSEL_TX2_RX1_TXIO;
int rx_ant_sel = (_rx_ant == "J2")? ANTSEL_TX1_RX2_TXIO : ANTSEL_TX2_RX1_TXIO;
- int xx_ant_sel = tx_ant_sel; //prefer the tx antenna selection for full duplex (rx will get the other antenna)
+ int xx_ant_sel = tx_ant_sel; //Prefer the tx antenna selection for full duplex,
+ //due to the issue that USRP1 will take the value of full duplex for its TXATR.
int ad9515div = (_ad9515div == 3)? AD9515DIV_3_TXIO : AD9515DIV_2_TXIO;
//set the tx registers