Aug 17, 2007 #101 E echo47 Advanced Member level 6 Joined Apr 7, 2002 Messages 3,933 Helped 638 Reputation 1,274 Reaction score 90 Trophy points 1,328 Location USA Activity points 33,176 You need 500 MHz filter sample rate. 250 MHz will cause incorrect filter cutoff frequency and severe aliasing. Zoom in on the it2 waveform to see the 4ns spacing between the steps.
You need 500 MHz filter sample rate. 250 MHz will cause incorrect filter cutoff frequency and severe aliasing. Zoom in on the it2 waveform to see the 4ns spacing between the steps.
Aug 17, 2007 #102 Y YenYu Member level 5 Joined Jul 2, 2007 Messages 92 Helped 6 Reputation 12 Reaction score 0 Trophy points 1,286 Activity points 2,046 Does it apply to Qt2's filter also?
Aug 17, 2007 #103 E echo47 Advanced Member level 6 Joined Apr 7, 2002 Messages 3,933 Helped 638 Reputation 1,274 Reaction score 90 Trophy points 1,328 Location USA Activity points 33,176 Yes, you want both filters to be identical. You should design one filter and then instantiate it twice. No need for filter2.vhd.
Yes, you want both filters to be identical. You should design one filter and then instantiate it twice. No need for filter2.vhd.