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