Digital Signal Processing Reference
In-Depth Information
LPF55F0.8
500
0
-20
400
-40
300
-60
-80
200
-100
100
-120
0
-140
-160
-100
0
0.2
0.4
0.6
0.8
1
0
20
40
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
20
40
0 .2 .4 .6 .81
Normalised Frequency,
F
Index,
k
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
409.6
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
-3 dB Cut-off Frequency
F
-3dB
0.7776x f
N
[f
N
]
Maximum Attenuation
A
−
108.9
dB
Transition Width
∆
F
0.114x f
N
[f
N
]
2.4x10
−6
Pass-Band Ripple
R
Step Response
Rise/Fall Time
τ
R
1.0x
∆
T
[
∆
T]
% Overshoot
Q
8.5
%
S
Settling Time
τ
7x
∆
T
[
∆
T]
