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