where Vset is a set voltage value, {HEAD ~ Vavg} is an average voltage value computed in accordance with Equation , a is an average voltage weighting factor implemented by multiplier 250, Vrms is the rms voltage of Equation that is output by digital signal processing block 60′ of FIG 8, and b is {TAIL ~ an rms voltage weighting factor} implemented by multiplier 252 
where Vset is a set voltage value , { HEAD ~ Vavg } is an average voltage value computed in accordance with Equation , a is an average voltage weighting factor implemented by multiplier 250 , Vrms is the rms voltage of Equation that is output by digital signal processing block 60′ of FIG 8 , and b is { TAIL ~ an rms voltage weighting factor } implemented by multiplier 252
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH 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 TAIL OTH OTH OTH OTH