Cirrus-logic CS4392 Manuel d'utilisateur télécharger pdf (Page 29)

CS4392

DS459PP3 29

0 0.05 0.1 0.15 0.2 0.25 0.3 0.35 0.4 0.45 0.5

0.02

0.015

0.01

0.005

0.01

0.015

0.02

Frequency(normalized to Fs)

Amplitude (dB)

0.45 0.46 0.47 0.48 0.49 0.5 0.51 0.52 0.53 0.54 0.55

Frequency(normalized to Fs)

Amplitude (dB)

Figure 18. Single Speed (slow) Transition Band (detail) Figure 19. Single Speed (slow) Passband Ripple

0.4 0.5 0.6 0.7 0.8 0.9 1

120

100

Frequency(normalized to Fs)

Amplitude (dB)

0.4 0.42 0.44 0.46 0.48 0.5 0.52 0.54 0.56 0.58 0.6

120

100

Frequency(normalized to Fs)

Amplitude (dB)

Figure 20. Double Speed (fast) Stopband Rejection Figure 21. Double Speed (fast) Transition Band

0.45 0.46 0.47 0.48 0.49 0.5 0.51 0.52 0.53 0.54 0.55

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

0.02

0.015

0.01

0.005

0.01

0.015

0.02

Frequency(normalized to Fs)

Amplitude (dB)

Figure 22. Double Speed (fast) Transition Band (detail) Figure 23. Double Speed (fast) Passband Ripple

1 2 ... 24 25 26 27 28 29 30 31 32 33 34 ... 39 40

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Cirrus-logic CS4392 Manuel d'utilisateur Page 29