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