Digital Signal Processing Reference
In-Depth Information
LPF155F0.9
0
500
-20
400
-40
300
-60
-80
200
-100
100
-120
0
-140
-160
-100
0
50
100
150
0
0.2
0.4
0.6
0.8
1
Normalized Frequency,
F
Index,
k
Normalised Frequency,
F
0.1
1.2
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 .2 .4 .6 .81
Normalised Frequency,
F
Index,
k
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
-0.001
0.0019
0.0079
-0.0743
0.2881
-0.6437
0.6069
1.3819
-8.2109
31.5921
0.0015
-0.0044
0
0.0627
-0.3132
0.8521
-1.284
0
6.6678
-37.9822
-0.0019
0.0072
-0.011
-0.0382
0.304
-1.007
1.9632
-1.688
-3.9357
43.4581
0.0022
-0.0101
0.0246
0
-0.2515
1.0747
-2.5608
3.5496
0
-47.6582
-0.0023
0.0128
-0.0398
0.0511
0.1502
-1.0242
2.9846
-5.4043
5.0569
50.299
0.002
-0.0145
0.0549
-0.112
0
0.8323
-3.1436
7.0345
-11.0536
460.8
-0.0013
0.0147
-0.0675
0.1773
-0.1929
-0.4887
2.9592
-8.2013
17.7166
0
-0.0127
0.075
-0.2393
0.4146
0
-2.3778
8.6656
-24.6963
Performance Features
Parameter
Symbol
Value
Units
Frequency Response
F
-3dB
0.8932x f
N
[f
N
]
-3 dB Cut-off Frequency
Maximum Attenuation
A
−
109.1
dB
0.041x f
N
[f
N
]
Transition Width
∆
F
1.3x10
−5
Pass-Band Ripple
R
Step Response
Rise/Fall Time
τ
R
0.89x
∆
T
[
∆
T]
% Overshoot
Q
4.8
%
τ
S
Settling Time
24x
∆
T
[
∆
T]
