Digital Signal Processing Reference
In-Depth Information
LPF155F0.7
0
400
350
-20
300
-40
250
-60
200
-80
150
100
-100
50
-120
0
-140
-50
-160
-100
0 .2 .4 .6 .81
Normalised Frequency,
F
0
50
100
150
Index,
k
Normalized Frequency,
F
1.2
0.1
0.08
1
0.06
0.8
0.04
0.02
0.6
0
0.4
-0.02
-0.04
0.2
-0.06
0
-0.08
-0.2
-0.1
0
50
100
150
0
0.14
0.28
0.42
0.56
0.7
Index,
k
Normalised Frequency,
F
Normalized Frequency,
F
Filter Coefficients
h
1
-
h
8
h
9
-
h
16
h
17
-
h
24
h
25
-
h
32
h
33
-
h
40
h
41
-
h
48
h
49
-
h
56
h
57
-
h
64
h
65
-
h
72
h
73
-
h
78
-0.0004
0.005
0.0206
-0.0284
-0.2881
-0.2459
1.589
3.6179
-3.1363
-31.5921
-0.0009
-0.007
0
0.1015
0.1936
-0.5266
-2.0776
0
10.7888
23.4743
0.0019
0.0027
-0.0288
-0.1001
0.1161
1.007
0.7499
-4.4193
-10.3038
16.5995
-0.0014
0.0063
0.0399
0
-0.4069
-0.6642
1.5827
5.7433
0
-77.1125
-0.0009
-0.0128
-0.0152
0.1338
0.3933
-0.3912
-2.9846
-2.0643
13.2392
131.6846
0.0033
0.0089
-0.0339
-0.1813
0
1.3467
1.9428
-4.3475
-17.8852
358.4
-0.0034
0.0056
0.0675
0.0677
-0.505
-1.2794
1.1303
8.2013
6.7671
0
-0.0205
-0.0463
0.1479
0.6709
0
-3.8473
-5.3556
15.2632
Performance Features
Parameter
Symbol
Value
Units
Frequency Response
-3 dB Cut-off Frequency
F
-3dB
0.6932x f
N
[f
N
]
Maximum Attenuation
A
−
101.7
dB
Transition Width
∆
F
0.041x f
N
[f
N
]
1.6x10
−5
Pass-Band Ripple
R
Step Response
Rise/Fall Time
τ
R
1.39x
∆
T
[
∆
T]
% Overshoot
Q
10.7
%
τ
S
Settling Time
17x
∆
T
[
∆
T]
