{TAIL ~ The amplification stage} 18 wherein {HEAD ~ the first amplifier stage} is not operated at the maximum power possible for the applied supply voltage 
{ TAIL ~ The amplification stage } 18 wherein { HEAD ~ the first amplifier stage } is not operated at the maximum power possible for the applied supply voltage
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH