A frequency modulator circuit 34 frequency modulates {HEAD ~ the analog video signals} onto {TAIL ~ a carrier wave} 
onto
A frequency modulator circuit 34 frequency modulates { HEAD ~ the analog video signals } onto { TAIL ~ a carrier wave }
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL