Dec 31, 2005 #1 0 020170 Full Member level 4 Joined Jan 31, 2005 Messages 231 Helped 3 Reputation 6 Reaction score 1 Trophy points 1,298 Activity points 2,221 **broken link removed** 1. why SHA cannot connect with Fine Flash ADC directly? in this figure, MSBs is coming from only coarse Flash ADC but is it possible that every bits come from fine Flash ADC ? 2. why we use some A/D and D/A subtraction block? thanks
**broken link removed** 1. why SHA cannot connect with Fine Flash ADC directly? in this figure, MSBs is coming from only coarse Flash ADC but is it possible that every bits come from fine Flash ADC ? 2. why we use some A/D and D/A subtraction block? thanks
Dec 31, 2005 #2 Davood Amerion Advanced Member level 2 Joined Mar 1, 2005 Messages 579 Helped 116 Reputation 232 Reaction score 24 Trophy points 1,298 Location Persia Activity points 6,345 This is like successive approximation register. Coarse ADC produce output MSBs and it's difference with input voltage (SHA output) go to the fine ADC, to produce fine bits LSBs. Regards, Davood.
This is like successive approximation register. Coarse ADC produce output MSBs and it's difference with input voltage (SHA output) go to the fine ADC, to produce fine bits LSBs. Regards, Davood.