Mar 5, 2008 #1 R rampat Member level 4 Joined Jun 27, 2007 Messages 69 Helped 4 Reputation 8 Reaction score 1 Trophy points 1,288 Location bangalore Activity points 1,756 How does the cds technique in SC filters reduces the noise?what is the range of fflicker noise in any circuit?
How does the cds technique in SC filters reduces the noise?what is the range of fflicker noise in any circuit?
Mar 5, 2008 #2 S siddharthshukla Banned Joined Sep 13, 2006 Messages 21 Helped 5 Reputation 10 Reaction score 3 Trophy points 1,283 Activity points 0 cds basically takes two samples very close in time & later subtracts them and in the process it reduces the noise. I used it in CMOS Image sensors design to reduce the Fixed Pattern Noise.
cds basically takes two samples very close in time & later subtracts them and in the process it reduces the noise. I used it in CMOS Image sensors design to reduce the Fixed Pattern Noise.
Mar 5, 2008 #3 R rampat Member level 4 Joined Jun 27, 2007 Messages 69 Helped 4 Reputation 8 Reaction score 1 Trophy points 1,288 Location bangalore Activity points 1,756 I read that it acts as HPF filter for 1/f noise.But if my filter itself is HPF ,then how can i reduce noise using this method?
I read that it acts as HPF filter for 1/f noise.But if my filter itself is HPF ,then how can i reduce noise using this method?