CS4349
9. FILTER PLOTS
0
0
20
40
20
40
60
60
80
80
100
120
100
120
0.4
0.5
0.6
0.7
0.8
0.9
1
0.4
0.5
0.6
0.7
0.8
0.9
1
Frequency(normalized to Fs)
Frequency(normalized to Fs)
Figure 22. Stopband Rejection (fast), all Modes
Figure 23. Stopband Rejection (slow), all Modes
0.02
0.02
0.015
0.01
0.015
0.01
0.005
0
0.005
0
0.005
0.01
0.015
0.02
0.005
0.01
0.015
0.02
0
0.05
0.1
0.15
0.2
0.25
0.3
0.35
0.4
0.45
0.5
0
0.05
0.1
0.15
0.2
0.25
0.3
0.35
0.4
0.45
0.5
Frequency(normalized to Fs)
Frequency(normalized to Fs)
Figure 24. Single-Speed (fast) Passband Detail
Figure 25. Single-Speed (slow) Passband Detail
0.5
0.4
0.5
0.4
0.3
0.3
0.2
0.2
0.1
0.1
0
0
−0.1
−0.2
−0.3
−0.4
−0.5
−0.1
−0.2
−0.3
−0.4
−0.5
0
0.05
0.1
0.15
0.2
0.25
0.3
0.35
0.4
0.45
0.5
0
0.05
0.1
0.15
0.2
0.25
0.3
0.35
0.4
0.45
0.5
Frequency (normalized to Fs)
Frequency (normalized to Fs)
Figure 26. Double-Speed (fast) Passband Detail
Figure 27. Double-Speed (slow) Passband Detail
36
DS782F1
CIRRUS [ CIRRUS LOGIC ]
