AnsweredAssumed Answered

BBBW vs Fcutoff

Question asked by rgetz Employee on Feb 25, 2015
Latest reply on Feb 27, 2015 by jsammy

Someone asked by email:


Can you explain the relationship between the BBBW that is referenced in the Calibration user guide section titled 'BASEBAND RX ANALOG FILTER CALIBRATION' and the 'Fcutoff' field available in the AD9361_Filter_Wizard app?


The former is supposed to be a value between 0.2 and 28 MHz, but the latter seems to allow values much larger than 28MHz.  Furthermore, entering values for Fcutoff larger than 28MHz improves the "Group Delay Variance" but I'm not sure if I'm fooling myself by entering values not supported by the hardware.