{TAIL ~ at least one offset line}, each of which is connected between each peaking amplifier and the output matching circuit for transforming an output impedance of said each peaking {HEAD ~ amplifier} to nearly open; and 
{ TAIL ~ at least one offset line } , each of which is connected between each peaking amplifier and the output matching circuit for transforming an output impedance of said each peaking { HEAD ~ amplifier } to nearly open ; and
TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH