In FIG 1 {HEAD ~ a received television signal} is applied to an input of {TAIL ~ a radio frequency} and mixer section 5, which is further coupled to an oscillator 3 
In FIG 1 { HEAD ~ a received television signal } is applied to an input of { TAIL ~ a radio frequency } and mixer section 5 , which is further coupled to an oscillator 3
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH