{HEAD ~ A direct voltage flyback converter} includes a primary winding of a transformer in series with the switching path of a controllable switch which is connected in {TAIL ~ turn} to a control device  
{ HEAD ~ A direct voltage flyback converter } includes a primary winding of a transformer in series with the switching path of a controllable switch which is connected in { TAIL ~ turn } to a control device
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH