Analog and Digital Filters 607
FIGURE 6.32
Plots of H(f) of Example 6.2.
1
0.8
0.6
magnitude
Magnitude of H(f) versus frequency
frequency in Hrz
0.4
0.2
505
104
104
0
100
50
phase in degrees
Phase of H(f) versus frequency
frequency in Hrz
0
50
100
505
FIGURE 6.33
Plots of H(f)dB and ∠H(f) using a semilog scale of Example 6.2.
50
40
30
20
10
0
magnitude in dbs
103
magnitude versus freqs.
104
0
20
40
60
80
phase in degrees
104
phase ang. versus freqs.
frequency in Hrz