The error path controls a gain or {HEAD ~ a phase} of a second order intermodulation component in the path turning signal based on the input signal, to generate {TAIL ~ an intermodulation compensation signal} 
The error path controls a gain or { HEAD ~ a phase } of a second order intermodulation component in the path turning signal based on the input signal , to generate { TAIL ~ an intermodulation compensation signal }
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 OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL