diff options
| -rw-r--r-- | host/lib/usrp/common/ad9361_driver/ad9361_device.cpp | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/host/lib/usrp/common/ad9361_driver/ad9361_device.cpp b/host/lib/usrp/common/ad9361_driver/ad9361_device.cpp index 527f7031e..c374780f7 100644 --- a/host/lib/usrp/common/ad9361_driver/ad9361_device.cpp +++ b/host/lib/usrp/common/ad9361_driver/ad9361_device.cpp @@ -1594,7 +1594,6 @@ void ad9361_device_t::initialize() _io_iface->poke8(0x019, 0x00); // AuxDAC2 Word[9:2] _io_iface->poke8(0x01A, 0x00); // AuxDAC1 Config and Word[1:0] _io_iface->poke8(0x01B, 0x00); // AuxDAC2 Config and Word[1:0] - _io_iface->poke8(0x022, 0x4A); // Invert Bypassed LNA _io_iface->poke8(0x023, 0xFF); // AuxDAC Manaul/Auto Control _io_iface->poke8(0x026, 0x00); // AuxDAC Manual Select Bit/GPO Manual Select _io_iface->poke8(0x030, 0x00); // AuxDAC1 Rx Delay @@ -1602,6 +1601,14 @@ void ad9361_device_t::initialize() _io_iface->poke8(0x032, 0x00); // AuxDAC2 Rx Delay _io_iface->poke8(0x033, 0x00); // AuxDAC2 Tx Delay + /* LNA bypass polarity inversion + * According to the register map, we should invert the bypass path to + * match LNA phase. Extensive testing, however, shows otherwise and that + * to align bypass and LNA phases, the bypass inversion switch should be + * turned off. + */ + _io_iface->poke8(0x022, 0x0A); + /* Setup AuxADC */ _io_iface->poke8(0x00B, 0x00); // Temp Sensor Setup (Offset) _io_iface->poke8(0x00C, 0x00); // Temp Sensor Setup (Temp Window) |