Changes between Version 28 and Version 29 of Tutorials/k0SDR/Tutorial25

Timestamp:

Nov 22, 2017, 7:23:39 PM (7 years ago)

Author:

tingjunchen

Comment:

—

Tutorials/k0SDR/Tutorial25

@@ -60 +60 @@
 }}}
  * Check the connection to the SUB-20 device: {{{lbusb}}}. You should see a XDIMAX devices connected to the USB hub.
+ * Program and configure the RF canceller with the desired values:  {{{./rf_canc_config ATT PS C1 C2 C3}}}
+ In particular, the {{{ATT = 0, 1, 2, ..., 127}}} and {{{PS = 0, 1, 2, ..., 255}}} codes are for configuring the 7-bit attenuator and 8-bit phase shifter of the Gen-1 RF canceller. It is recommended to use {{{C1 = 16, C2 = 3, C3 = 9}}}. You can play with the values of {{{ATT}}} and {{{PS}}} until you see good cancellation profile (e.g., low residual self-interference power level) in Terminal 1.
 
 
-