Cirrus-logic CS4348 Manuel d'utilisateur télécharger pdf (Page 19)

CS4344/5/8

Figure 16. Double-Speed Stopband Rejection Figure 17. Double-Speed Transition Band

0.45 0.46 0.47 0.48 0.49 0.5 0.51 0.52 0.53 0.54 0.55

- 10

- 9

- 8

- 7

- 6

- 5

- 4

- 3

- 2

- 1

Frequency (normalized to Fs)

Amplitude dB

0 0.05 0.1 0.15 0.2 0.25 0.3 0.35 0.4 0.45 0.5

-0. 2

-0. 1

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

Frequency (normalized to Fs)

Amplitude dB

Figure 18. Double-Speed Transition Band Figure 19. Double-Speed Passband Ripple

1 2 ... 14 15 16 17 18 19 20 21 22 23 24

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Cirrus-logic CS4348 Manuel d'utilisateur Page 19