Cirrus-logic CS4271 Manual do Utilizador descarregar pdf (Página 48)

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

0.01

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

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

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.

120

100

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

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

0.01

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

1 2 ... 43 44 45 46 47 48 49 50 51 52 53

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Cirrus-logic CS4271 Manual do Utilizador Página 48