1.ms (540B)
1 .TL 2 com systems 3 .AU 4 Lucas Standen 5 .AI 6 .EQ 7 delim #@ 8 .EN 9 .EQ 10 delim ## 11 .EN 12 QMC 13 .2C 14 .NH 1 15 work 16 .LP 17 1)a)i) noise is additional signal, applied to the top of the input. distortion is where the signal itself is modifided. 18 1)a)ii) 19 .EQ 20 {SNR sub db} = 10 log ( {p sub s over p sub n} ) 21 .EN 22 .EQ 23 20 = 10 log({ p sub s over {0.1 times 10 sup -3}} ) 24 .EN 25 .EQ 26 2 = log({ p sub s over {0.1 times 10 sup -3}} ) 27 .EN 28 .EQ 29 10 sup 2 = p sub s over {0.1 times 10 sup -3} 30 .EN 31 .EQ 32 10 sup 2 times {0.1 times 10 sup -3} = p sub s 33 .EN 34 .EQ 35 {p sub s} = 10mW 36 .EN 37 38 1)c) 39