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in Matlab Library there are cic decimation block. I characterize it as my project application. now I want to give to this block Random digital input and see the output. Question : what kind of input should I give to it from matlab library ?
the simplest way is: you use 22bit wide registers in all your cic filter block, including integrator , comb filter. in the output stage, you can truncate the 22bit wide data to what you desired data width, for example, 8bit, or others.
Hi I hope to answer to this question! In Matlab Simulation for 4 stage cic ( Cascade Integrator Comb filter ) filter ther are 4 stage Integratot and 4 stage Comb filter . these stage connect together by 1 sampling switch which decrease the sample frequency rate under Decimation factor. in my project sampling switch should switch every 2
how can i convert F/IIR filter to cic filter ? tnx
here it is
cic have some good training in SE and Applo
A decimation filter uses a Cascaded-Integrator-Comb section followed by a FIR section. The cic section decimates down to 4 times the output sampling frequency and has a response of the form (sin x over x)^n, n being higher than the order of the analog section. The FIR can be any linear phase design, and is used for antialias pourposes. (...)
Hi, You can use the same hardware. You should be careful to take of difference in filter lengths if any by using zero coefficient. I have only implemented a cic decimation filter in Hardware. I hope you are referring Baese Book. Hope this helps, B RM
Could you post your Z transform and architecture of cic filter ? There might be something wrong. You can also change the input sine wave frequency to test your cic filter.
cic is not IIR . It is FIR You can find lots of paper dicuss about cic on the IEEE Xplore ! I am implementing the cic for decimation and interpolation either .
Some are the syn0psys advertise, and one of cic pdf. Not so useful. :)
CAN U TELL ME THE BOOKS RELATED TO cic ALGORITHM IN WHICH THEY HAVE THE DETAIL EXPLANATION and HOW TO IMPLEMENT IN MATLAB. NABEEL
How can I correctly design a cic decimator filter cic= Cascade of integrators My decimation factor is 32 how can I find more detail about this ?? my input is 1bit length and output data must be 16 bit. please help...
cic have Dolphin smash course .. but no course for download ..
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I've download a apollo tutorial form Taiwan cic, will upload when I find a way..
Check mosis and taiwan's cic ftp site.