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