Dec 3, 2007 #1 B baoerxing Newbie level 1 Joined Apr 24, 2006 Messages 1 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Activity points 1,286 If the ampitude of the filter's input signal is very small, about 0.1mV to 100mV (VDD=3V), does it have any bad effect on the filter's performance? why? are there any papers discribing the effect of input signal on the filter's performance ?
If the ampitude of the filter's input signal is very small, about 0.1mV to 100mV (VDD=3V), does it have any bad effect on the filter's performance? why? are there any papers discribing the effect of input signal on the filter's performance ?
Dec 3, 2007 #2 Old Nick Advanced Member level 1 Joined Sep 14, 2007 Messages 479 Helped 68 Reputation 136 Reaction score 18 Trophy points 1,298 Activity points 4,243 no, it's fine. Tune your filter carefully to narrow the bandwidth it lets through to increase your signal to noise.
no, it's fine. Tune your filter carefully to narrow the bandwidth it lets through to increase your signal to noise.