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