Cirrus-logic CS4271 Manual de usuario Pagina 48

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CS4271
48 DS592F1
0 0.05 0.1 0.15 0.2 0.25 0.3 0.35 0.4 0.45 0.
0.02
0.015
0.01
0.005
0
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 0.5
5
10
9
8
7
6
5
4
3
2
1
0
Frequency(normalized to Fs)
Amplitude (dB)
Figure 27. DAC Single Speed (slow) Transition Band (detail) Figure 28. DAC Single Speed (slow) Passband Ripple
0.4 0.5 0.6 0.7 0.8 0.9
1
120
100
80
60
40
20
0
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
80
60
40
20
0
Frequency(normalized to Fs)
Amplitude (dB)
Figure 29. DAC Double Speed (fast) Stopband Rejection Figure 30. DAC 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 0.5
5
10
9
8
7
6
5
4
3
2
1
0
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.
0.02
0.015
0.01
0.005
0
0.005
0.01
0.015
0.02
Frequency(normalized to Fs)
Amplitude (dB)
Figure 31. DAC Double Speed (fast) Transition Band (detail) Figure 32. DAC Double Speed (fast) Passband Ripple
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