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