The circuit 4 wherein {HEAD ~ the inductive means} is a transformer having {TAIL ~ a primary} and a secondary winding 
The circuit 4 wherein { HEAD ~ the inductive means } is a transformer having { TAIL ~ a primary } and a secondary winding
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH