The invention is particularly concerned with {TAIL ~ such an amplification stage} in which {HEAD ~ an efficient modulated power supply} is provided for both the amplification stages 
in
The invention is particularly concerned with { TAIL ~ such an amplification stage } in which { HEAD ~ an efficient modulated power supply } is provided for both the amplification stages
OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL REL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH