Digital Signal Processing Reference
In-Depth Information
LPF55F0.2
0
120
-20
100
-40
80
-60
60
-80
40
-100
20
-120
0
-140
-160
-20
0 .2 .4 .6 .81
Normalised Frequency,
F
0
20
40
Normalized Frequency,
F
Index,
k
1.2
1
0.5
1
0
0.8
-0.5
-1
0.6
-1.5
0.4
-2
-2.5
0.2
-3
0
-3.5
-0.2
-4
0
20
40
0
0.016 0.032 0.048 0.064
0.08
Index,
k
Normalised Frequency,
F
Normalized Frequency,
F
Filter Coefficients
h
1
-
h
3
h
4
-
h
6
h
7
-
h
9
h
10
-
h
12
h
13
-
h
15
h
16
-
h
18
h
19
-
h
21
h
22
-
h
24
h
25
-
h
27
h
28
-0.0045
0.0141
0.0606
-0.3598
0
3.1497
-4.8123
-11.2194
47.3043
102.4
-0.0049
0.0378
0
-0.5369
1.0023
2.6605
-10.3478
0
74.5199
0
0.0614
-0.1466
-0.4871
2.2756
0
-13.6987
20.473
94.8599
Performance Features
Parameter
Symbol
Value
Units
Frequency Response
0.1776x
f
N
-3 dB Cut-off Frequency
F
-3dB
[f
N
]
Maximum Attenuation
A
−
98.6
dB
0.114x
f
N
Transition Width
∆
F
[f
N
]
Pass-Band Ripple
R
0
dB
Step Response
Rise/Fall Time
τ
R
4.58x
∆
T
[
∆
T]
% Overshoot
Q
6.3
%
S
τ
Settling Time
8x
∆
T
[
∆
T]
