Jan 3, 2006 #1 B bob_lv Member level 1 Joined Dec 19, 2005 Messages 37 Helped 1 Reputation 2 Reaction score 1 Trophy points 1,288 Activity points 1,660 for delta-sigma modulator,what's the difference between dynamic range and SNR?
Jan 3, 2006 #2 E electronics_kumar Advanced Member level 2 Joined Nov 29, 2004 Messages 657 Helped 34 Reputation 68 Reaction score 9 Trophy points 1,298 Location Tamilnadu Activity points 5,552 SNR=ratio between signal and noise(two are different )...Dynamic range is to relate a single quantity either signal or noise...DR= Maxamplitude(signal or noise)/Minamplitude(signal or noise)..no units for DR
SNR=ratio between signal and noise(two are different )...Dynamic range is to relate a single quantity either signal or noise...DR= Maxamplitude(signal or noise)/Minamplitude(signal or noise)..no units for DR
Jan 3, 2006 #3 B bob_lv Member level 1 Joined Dec 19, 2005 Messages 37 Helped 1 Reputation 2 Reaction score 1 Trophy points 1,288 Activity points 1,660 thanks! Does't is mean if the minamplitude of signal have the same magnitude with noise,then DR=SNR?
Jan 3, 2006 #4 E electronics_kumar Advanced Member level 2 Joined Nov 29, 2004 Messages 657 Helped 34 Reputation 68 Reaction score 9 Trophy points 1,298 Location Tamilnadu Activity points 5,552 bob_lv said: thanks! Does't is mean if the minamplitude of signal have the same magnitude with noise,then DR=SNR? Click to expand... yes both will be equal if noise voltage attains minimum value of signal... also high Dr and SNR are always desired...
bob_lv said: thanks! Does't is mean if the minamplitude of signal have the same magnitude with noise,then DR=SNR? Click to expand... yes both will be equal if noise voltage attains minimum value of signal... also high Dr and SNR are always desired...
Jan 3, 2006 #5 nathan Newbie level 1 Joined May 17, 2001 Messages 0 Helped 5 Reputation 10 Reaction score 3 Trophy points 1,282 Activity points 641 For a perfect linear system DR and SNR are equivalent. The proper definiton of DR is the ration of max/min signal amplitude at which a min SNR is guaranteed. They clearly differ for non-linear systems. nathan
For a perfect linear system DR and SNR are equivalent. The proper definiton of DR is the ration of max/min signal amplitude at which a min SNR is guaranteed. They clearly differ for non-linear systems. nathan