Control signal 47 may be supplied by control path 18, a schematic diagram of which is shown in FIG 4 in accordance with {HEAD ~ an embodiment} of {TAIL ~ the present invention} 
of
Control signal 47 may be supplied by control path 18 , a schematic diagram of which is shown in FIG 4 in accordance with { HEAD ~ an embodiment } of { TAIL ~ the present invention }
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 HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL