Cirrus-logic CS4271 Manuel d'utilisateur télécharger pdf (Page 50)

CS4271

50 DS592F1

0.45 0.46 0.47 0.48 0.49 0.5 0.51 0.52 0.53 0.54 0.5

Frequency(normalized to Fs)

Amplitude (dB)

0 0.05 0.1 0.15 0.2 0.2

0.2

0.15

0.1

0.05

0.1

0.15

0.2

Frequency(normalized to Fs)

Amplitude (dB)

Figure 39. DAC Quad Speed (fast) Transition Band (detail) Figure 40. DAC Quad Speed (fast) Passband Ripple

0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9

120

100

Frequency(normalized to Fs)

Amplitude (dB)

0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.

120

100

Frequency(normalized to Fs)

Amplitude (dB)

Figure 41. DAC Quad Speed (slow) Stopband Rejection Figure 42. DAC Quad Speed (slow) Transition Band

0.45 0.46 0.47 0.48 0.49 0.5 0.51 0.52 0.53 0.54 0.5

Frequency(normalized to Fs)

Amplitude (dB)

0 0.02 0.04 0.06 0.08 0.1 0.1

0.02

0.015

0.01

0.005

0.01

0.015

0.02

Frequency(normalized to Fs)

Amplitude (dB)

Figure 43. DAC Quad Speed (slow) Transition Band (detail) Figure 44. DAC Quad Speed (slow) Passband Ripple

1 2 ... 45 46 47 48 49 50 51 52 53

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Cirrus-logic CS4271 Manuel d'utilisateur Page 50