How can the digital signal frequency be greater than 2 pi?

[halee awan]

digital signal frequency

sallam

my Q is ** can be the frequency of digital signal greater than (2 pi)
if no how it is if yes then how
any one who know breifly plz tell me

 

[cydi]

digital signal frequency

Digital frequency is nothing but 2pi(f/fs), wher fs is the samplig frequency. So the ultimate maximum possible is 2pi, even that is not a proper signal. Actually it can be in the range of -pi/2 to pi/2 only. You can also say it is valid only in the range -1/2 to 1/2 cycles per sample.