One of three AGC windows can be selected through {HEAD ~ associated register} according to {TAIL ~ one embodiment} of the present invention 
One of three AGC windows can be selected through { HEAD ~ associated register } according to { TAIL ~ one embodiment } of the present invention
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH