{HEAD ~ The planar filter} 4, wherein said {TAIL ~ ground electrode} leads to the other of said sides of said substrate on each of said longitudinal sides of the planar filter 
wherein
{ HEAD ~ The planar filter } 4 , wherein said { TAIL ~ ground electrode } leads to the other of said sides of said substrate on each of said longitudinal sides of the planar filter
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL OTH 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