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my Rf signal is 102.3 Mhz and it is fed to mixer and I need IF as 5Mhz so i set the local ocillator to 97.3Mhz to obtain the 5Mhz that is my IF.
I have to pass this IF through low pass filter and then decimation and obtain the same IF frequency as 5Mhz.
But my sampling frequency is 409.8Mhz...
matlab decimation
My IF is 5Mhz.
I need to reduce my sampling frequency 409.8Mhz to 20.48 Mhz by using FIR lowpass filter, so i am decimating it in 2 stages , first time i am using cic filter and decimation factor 5 then i will get the new sampling frequency 81.9 which is given to...
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