Digital Signal Processing Reference
In-Depth Information
LPF255F0.7
400
0
350
-20
300
-40
250
-60
200
-80
150
100
-100
50
-120
0
-140
-50
-160
-100
0
100
200
0
0.2
0.4
0.6
0.8
1
Index,
k
Normalized Frequency,
F
Normalised Frequency,
F
1.2
0.15
0.12
1
0.09
0.8
0.06
0.03
0.6
0
0.4
-0.03
-0.06
0.2
-0.09
0
-0.12
-0.2
-0.15
0
100
200
0
0.14
0.28
0.42
0.56
0.7
Index,
k
Normalised Frequency,
F
Normalized Frequency,
F
Performance Features
Parameter
Symbol
Value
Units
Frequency Response
-3 dB Cut-off Frequency
F
-3dB
0.6966x f
N
[f
N
]
Maximum Attenuation
A
−
102.8
dB
Transition Width
∆
F
0.248x f
N
[f
N
]
1.4x10
−5
Pass-Band Ripple
R
Step Response
Rise/Fall Time
τ
R
1.39x
∆
T
[
∆
T]
% Overshoot
Q
10.7
%
τ
S
Settling Time
20x
∆
T
[
∆
T]
