DIGITAL FILTER RESPONSE
NORMALIZED DIGITAL FILTER RESPONSE
0
–20
0
–20
–40
–40
–60
–60
–80
–80
–100
–120
–140
–160
–180
–200
–100
–120
–140
–160
–180
–200
0
50
100
150
200
250
300
0
1
2
3
4
5
6
7
8
9
10
300
55
Frequency (Hz)
Frequency (Hz)
FIGURE 3. Normalized Digital Filter Response.
FIGURE 4. Digital Filter Response (50Hz).
DIGITAL FILTER RESPONSE
0
DIGITAL FILTER RESPONSE
0
–20
–40
–20
–40
–60
–60
–80
–80
–100
–120
–140
–160
–180
–200
–100
–120
–140
–160
–180
–200
0
50
100
150
200
250
0
10
20
30
40
50
60
70
80
90 100
Frequency (Hz)
Frequency (Hz)
FIGURE 5. Digital Filter Response (60Hz).
FIGURE 6. Digital Filter Response (10Hz Multiples).
DIGITAL FILTER RESPONSE
0
DIGITAL FILTER RESPONSE
0
–20
–40
–20
–40
–60
–60
–80
–80
–100
–120
–140
–160
–180
–200
–100
–120
–140
–160
–180
–200
45
46
47
48
49
50
51
52
53
54
45
46
47
48
49
50
51
52
53
54
55
Frequency (Hz)
Frequency (Hz)
FIGURE 7. Expanded Digital Filter Response (50Hz with a
50Hz Notch).
FIGURE 8. Expanded Digital Filter Response (50Hz with a
10Hz Notch).
®
ADS1252
8
BB [ BURR-BROWN CORPORATION ]
