Changing the magnetization of the magnetic member 3 for {TAIL ~ frequency regulation} can reversibly perform a regulation of {HEAD ~ the frequency characteristics} of the nonreciprocal circuit 
Changing the magnetization of the magnetic member 3 for { TAIL ~ frequency regulation } can reversibly perform a regulation of { HEAD ~ the frequency characteristics } of the nonreciprocal circuit
OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH