In a second signal path , another analog signal is obtained for transmitting larger signal amplitudes and is subjected to {HEAD ~ an analog} to {TAIL ~ digital conversion}  
In a second signal path , another analog signal is obtained for transmitting larger signal amplitudes and is subjected to { HEAD ~ an analog } to { TAIL ~ digital conversion }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH