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