Jan 25, 2013 #1 P Pavan kumar CR Newbie level 4 Joined Jan 25, 2013 Messages 5 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Activity points 1,316 Dear All, I need to design a digital filter and i've only following specification 1) The signal bandwidth is 5 MHz 2) The input signal is sampled @ 7.86 MHz Kindly suggest how to derive cutoff frequency to this filter. Thanks and regards. Pavan
Dear All, I need to design a digital filter and i've only following specification 1) The signal bandwidth is 5 MHz 2) The input signal is sampled @ 7.86 MHz Kindly suggest how to derive cutoff frequency to this filter. Thanks and regards. Pavan
Jan 25, 2013 #2 FvM Super Moderator Staff member Joined Jan 22, 2008 Messages 52,422 Helped 14,749 Reputation 29,780 Reaction score 14,101 Trophy points 1,393 Location Bochum, Germany Activity points 298,107 Condition 1+2 contradict the Nyquist criterion.
Jan 25, 2013 #3 P Pavan kumar CR Newbie level 4 Joined Jan 25, 2013 Messages 5 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Activity points 1,316 Thanks for replying.... kindly explain in detail so that i can take necessary precaution before designing
Thanks for replying.... kindly explain in detail so that i can take necessary precaution before designing
Jan 25, 2013 #4 FvM Super Moderator Staff member Joined Jan 22, 2008 Messages 52,422 Helped 14,749 Reputation 29,780 Reaction score 14,101 Trophy points 1,393 Location Bochum, Germany Activity points 298,107 According to Nyquist criterion, the maximum input signal frequency component and also characteristic filter frequency must be below fs/2, presuming a baseband design.
According to Nyquist criterion, the maximum input signal frequency component and also characteristic filter frequency must be below fs/2, presuming a baseband design.