Digital Signal Processing Reference
In-Depth Information
LPF155F0.5
0
300
-20
250
-40
200
-60
150
-80
100
-100
50
-120
0
-140
-50
-160
-100
0
0.2
0.4
0.6
0.8
1
0
50
100
150
Normalised Frequency,
F
Index,
k
Normalized Frequency,
F
1.2
0.2
0.16
1
0.12
0.8
0.08
0.04
0.6
0
0.4
-0.04
-0.08
0.2
-0.12
0
-0.16
-0.2
-0.2
0
50
100
150
0
0.1
0.2
0.3
0.4
0.5
Index,
k
Normalized Frequency,
F
Normalised 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
0.0013
0.0061
0.0255
0.0918
0.2881
0.7957
1.9641
4.4719
10.1492
31.5921
0
0
0
0
0
0
0
0
0
0
-0.0019
-0.0089
-0.0356
-0.1238
-0.3757
-1.007
-2.4266
-5.4625
-12.7362
-53.7172
0
0
0
0
0
0
0
0
0
0
0.0029
0.0128
0.0493
0.1654
0.4862
1.266
2.9846
6.6801
16.3646
162.7711
0
0
0
0
0
0
0
0
0
256
-0.0042
-0.0181
-0.0675
-0.2192
-0.6242
-1.5815
-3.6578
-8.2013
-21.8989
0
0
0
0
0
0
0
0
0
Performance Features
Parameter
Symbol
Value
Units
Frequency Response
0.4932x
f
N
-3 dB Cut-off Frequency
F
-3dB
[f
N
]
Maximum Attenuation
A
−
103.8
dB
0.041x
f
N
Transition Width
∆
F
[f
N
]
1.3x10
−5
Pass-Band Ripple
R
dB
Step Response
Rise/Fall Time
τ
R
1.94x
∆
T
[
∆
T]
% Overshoot
Q
6.8
%
τ
S
Settling Time
21x
∆
T
[
∆
T]
