National Instruments SCC-LP04 用户手册
© National Instruments Corporation
13
SCC-LP Series Lowpass Filter Modules User Guide
Figure 6 shows the theoretical transfer characteristics of the SCC-LPXX.
Figure 6. Theoretical Transfer Characteristics
a. Frequency Response
0
0.10.15
0.5
Normalized Frequency (f/fc)
Amplitude (dB)
1 1.5
5
10
–20
–40
–60
–80
–100
b. Group Delay
2
0.1
0.15
0.5
Normalized Frequency (f/fc)
Dela
y (s)
1.0
1.5
1
0
c. Step Response
2
0
Normalized Time (1/fc s)
Step Response (V
OUT
/V
IN
)
4
1
2
3
5
1
0