The first filter 18 is {HEAD ~ an L filter} comprising an inductor 19 coupled to ground and {TAIL ~ a capacitor} 21 coupled to the terminal point 16 
comprising
The first filter 18 is { HEAD ~ an L filter } comprising an inductor 19 coupled to ground and { TAIL ~ a capacitor } 21 coupled to the terminal point 16
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH