Forum Discussion

Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
16 years ago

Help requested with FIR/IIR filters please

Hi, I am presently using the FIR filter ip wizard in my project and have found that I am using a lot of resources and power to acheive my requirements. I have been told that IIR filters are mu...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
16 years ago

--- Quote Start ---

Hi,

My sample rate is 200MSPS (fixed) , and I require the following filters:

500kHz

1MHz

2MHz

3MHz

4MHz

5MHz

7.5MHz

10MHz

--- Quote End ---

Your filter(s) spec is not clear:

First what is your filter input frequency content and input sampling rate?

second: do you mean 10MHz,7.5MHz etc. as cutoff points or required sampling frequency? Do you mean one variable filter or multiband filter or several filters each with its cutoff?

Third: are you concerned about non-linear phase?