FIG 2C shows {TAIL ~ the time profile} of the analog control signal 21 that is used to adjust {HEAD ~ the gain factor} of the power amplifier 20 
FIG 2C shows { TAIL ~ the time profile } of the analog control signal 21 that is used to adjust { HEAD ~ the gain factor } of the power amplifier 20
OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH