Symmetric PAM Signal amplitudes are equally distant and symmetric about zero -7-5-3-101357 Am=(2m-1M,m=1.M Em=∑(2m-1-M03=E(M2-1/3Symmetric PAM • Signal amplitudes are equally distant and symmetric about zero -7 -5 -3 -1 0 1 3 5 7 Am = (2m-1-M), m=1…M E M Eave = g ∑(2m − 1 − M)2 =Eg (M2 − 1)/ 3 M m=1 Eytan Modiano Slide 6