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