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