Hi all,
I am using USRP N200 with LFRX daughter board. The newest version of
images has been loaded.
The sampling rate is set as 4 MHz. There is constantly a UHD warning:
The requested decimation is odd; the user should expect CIC rolloff.
Select an even decimation to ensure that a halfband filter is enabled.
How do I change the decimation value?
And what value should I set it?
Thanks!
Ting Wu
100e6 / 4e6 = 25
Which is odd value which changes the "line up" of filtering in the FPGA.
Select a sample rate that results in an even decimation value, unless
you can live with the edge roll-off for an odd value.
--
Marcus Leech
Principal Investigator
Shirleys Bay Radio Astronomy Consortium
http://www.sbrac.org
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