The method 1, wherein {HEAD ~ the step} of adding the second analog sub signal to the analog input signal comprises a step of adding the second analog sub signal having the polarity and an amplitude that are based on amplifications of {TAIL ~ the first and second analog sub signals} 
The method 1 , wherein { HEAD ~ the step } of adding the second analog sub signal to the analog input signal comprises a step of adding the second analog sub signal having the polarity and an amplitude that are based on amplifications of { TAIL ~ the first and second analog sub signals }
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL