{TAIL ~ The analog portion} of the transmit path is coupled to a calibrator which measures {HEAD ~ the corresponding analog response} 
{ TAIL ~ The analog portion } of the transmit path is coupled to a calibrator which measures { HEAD ~ the corresponding analog response }
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD