GW Instek GRF-3300 Series Student Manual - Manual (Page 18)

GRF-3300 Manual
3 326
x y2=0.60527
x y23=1.01536
Figure 16-9 shows the structure of the filter.
n
ȏ
Ť
y
1
y
n
y
1,2
y
n-1,n
y
2
y
n-1
y
2,3
y
n-2, n-1
y
3
y
n-2
y
3,4
2 25Ʊġ
30Ʊġ
35Ʊ
0.15436
0.22070
0.30755
1.13482
1.11597
1.08967
3 25Ʊġ
30Ʊġ
35Ʊ
0.19690
0.28620
0.40104
1.12075
1.09220
1.05378
0.18176
0.30726
0.48294
4 25Ʊġ
30Ʊġ
35Ʊ
0.22441
0.32300
0.44670
1.11113
1.07842
1.03622
0.23732
0.39443
0.60527
1.10361
1.06488
1.01536
5 25Ʊġ
30Ʊġ
35Ʊ
0.24068
0.34252
0.46895
1.10540
1.07119
1.02790
0.27110
0.43985
0.66089
1.09317
1.05095
0.99884
0.29659
0.48284
0.72424
6 25Ʊġ
30Ʊġ
35Ʊ
0.25038
0.35346
0.48096
1.10199
1.06720
1.02354
0.29073
0.46383
0.68833
1.08725
1.04395
0.99126
0.33031
0.52615
0.77546
1.08302
1.03794
0.98381
Table 16-2
c
T
1
y
2
y
1  n
y
n
y
c
T
2
1
0
y
2 , 1
y
c
T
2
1
0
y
n n
y
, 1 
Short-circuited stub of electrical length ڧ
c
Figure 16-9