參數資料
型號: 854L8L-5
廠商: Electronic Theatre Controls, Inc.
英文描述: 2 X 4 4-Pole Filters
中文描述: 2 × 4四極濾波器
文件頁數: 9/13頁
文件大?。?/td> 432K
代理商: 854L8L-5
Low-Pass
4-Pole, 0.2 dB Ripple
Chebychev
Appendix A
12
25 Locust St., Haverhill, Massachusetts 01830
Tel
:800/252-7074, 978/374-0761
FAX:978/521-1839
e-mail: sales@freqdev.com
Web Address: http://www.freqdev.com
Fax on Demand: 978/521-5178
Normalized Frequency(f/fc)
A
Normalized Time (1/f sec)
D
Normalized Time (1/f sec)
S
Frequency Response
Delay
(Normalized)
Step Response
0.1
1.0
10.0
2
3 4 5 678
2
3 4 5 678
-100
-80
-60
-40
-20
0
0
1
2
3
4
5
-0.0
0.2
0.4
0.6
0.8
1.0
1.2
0.1
1.0
2
3
4
5 6 7 8 9
0.0
1.0
2.0
1.5
0.15
(sec)
.478
.487
.509
.533
.547
.553
Theoretical Transfer Characteristics
1
0.00
0.10
0.20
0.30
0.40
0.50
0.60
0.70
0.80
0.85
0.90
0.95
1.00
1.10
1.20
1.30
1.40
1.50
1.60
1.70
1.80
1.90
2.00
2.25
2.50
2.75
3.00
3.25
3.50
4.00
5.00
6.00
7.00
8.00
9.00
10.0
1.
Normalized Group Delay:
The above delay data is normalized to a corner frequency
of 1.0Hz.The actual delay is the normalized delay divided
by the actual corner frequency (fc).
Actual Delay =
Normalized Delay
Actual Corner Frequency (fc) in Hz
f/fc
(Hz)
Amp
(dB)
0.000
0.039
0.129
0.195
0.174
0.074
Phase
(deg)
0.00
-17.3
-35.2
-54.0
-73.4
-93.2
Delay
-71.9
-77.3
-82.0
-86.1
-89.8
-47.3
-50.2
-52.8
-57.6
-65.5
-30.2
-32.2
-36.7
-40.6
-44.1
-17.7
-20.7
-23.4
-25.8
-28.1
-1.47
-3.01
-6.89
-10.8
-14.5
0.000
0.074
0.199
0.063
-0.443
-347
-349
-351
-352
-352
-334
-336
-338
-341
-345
-294
-300
-306
-310
-313
-316
-319
-324
-328
-331
-214
-231
-257
-274
-286
-113
-135
-162
-178
-196
.006
.004
.003
.003
.002
.026
.022
.018
.014
.009
.078
.068
.051
.039
.032
.202
.158
.128
.107
.090
.989
.873
.583
.385
.271
.575
.654
.836
.947
1.02
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