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how to set x4 interpolation/decimation in inbuilt fir filter

Question asked by rahulram on Feb 15, 2016
Latest reply on Feb 15, 2016 by DragosB

hi,

    i am using fmcomms4 board along with zc706 for my application, i am using no os driver to intialize my rf. can anyone pls suggest me how to load an fir filter design inside no os driver ?,or how to enable the inbuilt fir filter in x4 interpolation/decimation mode . i have read some post and have a general idea on how to do it ,i am running my rf on 700 mhz bot on transmit and receive chain,but when i set the interpolation in tx_fir_config to 4 for a sampling rate of 1 mhz ,it shows me the following error :

 

 

Unhandled case in ad9361_tx_quad_calib line 2885 clkrf 1000000 clktf 4000000

 

 

now i understand that clktf should be 4 times the sampling rate set ,i have tried setting it this way but still i get the same error ,can anyone suggest me the proper way to do it? thanks

 

 

regards

rahul

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