. , , . .9.11 . DC Decoder. , , . .
.9.11.
. :
y0 = 8^ 4^ 2^ 1,
y1 = 8^ 4^ 2^ x 1,
y2 = 8^ 4^ x2 ^ 1,
y3 = 8 ^ 4^ x2 ^ x1,
y4 = 8 ^x4 ^ 2 ^ 1, (9.1)
y5 = 8 ^ x4^ 2 ^ x1,
y6 = 8 ^ x4^ x2 ^ 1,
y7 = 8 ^ x4^ x2 ^ x1,
y8 = x8 ^ 4^ 2^ 1,
y9 = x 8 ^ 4 ^ 2^ x 1.
(9.1), .
.9.12 , .
.9.12.