A vital type of transformer circuit including {HEAD ~ a saturable core transducer} having an input and {TAIL ~ an output} winding 
having
A vital type of transformer circuit including { HEAD ~ a saturable core transducer } having an input and { TAIL ~ an output } winding
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH