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