Forum Discussion
Altera_Forum
Honored Contributor
9 years agoLong FIR Filter
Hallo I am using MATLAB and Simulink to create my model and the using the HDL coder to generate HDL code for Altera FPGA. We have a custom hardware made from ep4ce22f17c6n with I2S interface an...
Altera_Forum
Honored Contributor
9 years agoPretty drastic filter. It will require large ram (e.g. 8192 *16bits). And no way to get 8192 mults in any basic fpga
If you can clock fast you can use MAC approach. cascading of a filter is possible but requires Z domain factorisation. You ay also be helped by the principle that h = conv( h1,h2) i.e. a cascade of h1,h2 is equivalent to h