Oct 10, 2006 #1 N nimnorm Newbie level 5 Joined Sep 14, 2006 Messages 8 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Activity points 1,331 my 12 bits adc with 3 lsb noise ... is 9 bits accuracy?
Oct 10, 2006 #2 lambtron Full Member level 5 Joined Nov 2, 2005 Messages 251 Helped 34 Reputation 68 Reaction score 8 Trophy points 1,298 Location Portland, OR Activity points 3,546 nimnorm said: my 12 bits adc with 3 lsb noise ... is 9 bits accuracy? Click to expand... To clarify: you are using a 12 bit a/d converter but the three least significant bits are "bouncing around," and so you are asking whether the a/d accuracy is only 9 bits as a result of the noise. Is this correct?
nimnorm said: my 12 bits adc with 3 lsb noise ... is 9 bits accuracy? Click to expand... To clarify: you are using a 12 bit a/d converter but the three least significant bits are "bouncing around," and so you are asking whether the a/d accuracy is only 9 bits as a result of the noise. Is this correct?
Oct 11, 2006 #3 N nimnorm Newbie level 5 Joined Sep 14, 2006 Messages 8 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Activity points 1,331 yes ... should I say accuracy is 9 bits or 12 bits?
Oct 11, 2006 #4 artem Advanced Member level 4 Joined May 22, 2003 Messages 1,347 Helped 126 Reputation 252 Reaction score 32 Trophy points 1,328 Location Turkey Activity points 13,451 nimnorm, sometimes noise can be used to increase adc resolution and accuracy for case when noise spectre is higher than desired signal to digitize.
nimnorm, sometimes noise can be used to increase adc resolution and accuracy for case when noise spectre is higher than desired signal to digitize.