Forum Discussion

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

Low Pass Frequency Filter in Verilog

Hello, I am trying to implement a low pass frequency filter in Verilog. I know that the input is a sine wave that oscilates around 0. The threshold is 500hz. Here is my code: module filter(clk,...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
13 years ago

--- Quote Start ---

It is supposed to do the following:

If the frequency of the input is lower or equal than the threshold frequency the output will look exactly as the input,

else the output will be 0.

--- Quote End ---

and what is the nature of your input(sine waves or any signal). Your filter sounds ideal pass/not pass but yo haven't explained your algorithm.

How you going to detect frequency of input?