A magnetic member 2 for an nonreciprocal circuit is fitted in the large hole and {HEAD ~ a magnetic member} 3 for frequency characteristics regulation is fitted in {TAIL ~ each} of the small holes 
is fitted in
A magnetic member 2 for an nonreciprocal circuit is fitted in the large hole and { HEAD ~ a magnetic member } 3 for frequency characteristics regulation is fitted in { TAIL ~ each } of the small holes
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH REL REL REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH