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How to make a delay equal to pi/2 in digital domain ?

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ragabs

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delay in digital domain

dear all

how to make a delay equalls pi/2 in digital domain (real implementation)?

thanx for help
 

Re: delay in digital domain

Hey,

I'll give you a hint and you figure out what you should do ok. Look at your sampling frequency i.e. your timer interrupt. Pretty obvious from here, isn't it?

Cheers.
 

Re: delay in digital domain

can you be a bit more specific....
If it is a real design, also the clk freq. can be suitably adjusted....may not be applicable always. You can also look for retiming....
 

Re: delay in digital domain

my clock is 20 mhz. and it is a real design,
 

Re: delay in digital domain

What do you mean? pi/2 sec? pi/2 samples?

Anyway search some things on Fractional Delay filters
 

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