Assorted PCM Graphics

Assorted PCM Graphics - A/D, Quantization Word Length...

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Word Length Number of Quantizer Levels Bandwidth Dynamic Range n-bits M=2^n n2B 20*log(M) (ave S/N) dB 122 6 . 0 2 2 4 4 12.04 3 8 6 18.06 4 16 8 24.08 5 32 10 30.10 6 64 12 36.12 7 128 14 42.14 8 256 16 48.16 9 512 18 54.19 10 1024 20 60.21 11 2048 22 66.23 12 4096 24 72.25 13 8192 26 78.27 14 16384 28 84.29 15 32768 30 90.31 16 65536 32 96.33 A/D, Quantization
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From Couch, Digital and Analog Comm. Sys. Line Codes
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At top is an undistorted eye diagram of a band-limited digital signal. The bottom eye pattern includes
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Assorted PCM Graphics - A/D, Quantization Word Length...

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