Cirrus-logic CS4365 Manual do Utilizador descarregar pdf (Página 47)

DS670F2 47

CS4365

0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9

120

100

Frequency(normalized to Fs)

Amplitude (dB)

0.2 0.3 0.4 0.5 0.6 0.7 0.

120

100

Frequency(normalized to Fs)

Amplitude (dB)

Figure 36. Double-Speed (slow) Stopband Rejection Figure 37. Double-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 0.05 0.1 0.15 0.2 0.25 0.3 0.3

0.02

0.015

0.01

0.005

0.01

0.015

0.02

Frequency(normalized to Fs)

Amplitude (dB)

Figure 38. Double-Speed (slow) Transition Band (detail) Figure 39. Double-Speed (slow) Passband Ripple

0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9

120

100

Frequency(normalized to Fs)

Amplitude (dB)

0.2 0.3 0.4 0.5 0.6 0.7 0.

120

100

Frequency(normalized to Fs)

Amplitude (dB)

Figure 40. Quad-Speed (fast) Stopband Rejection Figure 41. Quad-Speed (fast) Transition Band

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Cirrus-logic CS4365 Manual do Utilizador Página 47