|
Resistance Value of Pi- and T-Type
Attenuator Pads
|
Zoin= |
50 |
ohm, |
Zoout= |
50 |
ohm |
|
|
|
|
|
|
|
|
|
|
Attenuation dB |
Pi-Type |
T-Type |
|
R1 |
R2 |
R3 |
R1 |
R2 |
R3 |
|
0.5 |
1737.7 |
2.9 |
1737.7 |
1.4 |
868.1 |
1.4 |
|
1 |
869.5 |
5.8 |
869.5 |
2.9 |
433.3 |
2.9 |
|
2 |
436.2 |
11.6 |
436.2 |
5.7 |
215.2 |
5.7 |
|
3 |
292.4 |
17.6 |
292.4 |
8.5 |
141.9 |
8.5 |
|
4 |
221.0 |
23.8 |
221.0 |
11.3 |
104.8 |
11.3 |
|
5 |
178.5 |
30.4 |
178.5 |
14.0 |
82.2 |
14.0 |
|
6 |
150.5 |
37.4 |
150.5 |
16.6 |
66.9 |
16.6 |
|
7 |
130.7 |
44.8 |
130.7 |
19.1 |
55.8 |
19.1 |
|
8 |
116.1 |
52.8 |
116.1 |
21.5 |
47.3 |
21.5 |
|
9 |
105.0 |
61.6 |
105.0 |
23.8 |
40.6 |
23.8 |
|
10 |
96.2 |
71.2 |
96.2 |
26.0 |
35.1 |
26.0 |
|
11 |
89.2 |
81.7 |
89.2 |
28.0 |
30.6 |
28.0 |
|
12 |
83.5 |
93.2 |
83.5 |
29.9 |
26.8 |
29.9 |
|
13 |
78.8 |
106.1 |
78.8 |
31.7 |
23.6 |
31.7 |
|
14 |
74.9 |
120.3 |
74.9 |
33.4 |
20.8 |
33.4 |
|
15 |
71.6 |
136.1 |
71.6 |
34.9 |
18.4 |
34.9 |
|
16 |
68.8 |
153.8 |
68.8 |
36.3 |
16.3 |
36.3 |
|
17 |
66.4 |
173.5 |
66.4 |
37.6 |
14.4 |
37.6 |
|
18 |
64.4 |
195.4 |
64.4 |
38.8 |
12.8 |
38.8 |
|
19 |
62.6 |
220.0 |
62.6 |
39.9 |
11.4 |
39.9 |
|
20 |
61.1 |
247.5 |
61.1 |
40.9 |
10.1 |
40.9 |
|
21 |
59.8 |
278.3 |
59.8 |
41.8 |
9.0 |
41.8 |
|
22 |
58.6 |
312.7 |
58.6 |
42.6 |
8.0 |
42.6 |
|
23 |
57.6 |
351.4 |
57.6 |
43.4 |
7.1 |
43.4 |
|
24 |
56.7 |
394.6 |
56.7 |
44.1 |
6.3 |
44.1 |
|
25 |
56.0 |
443.2 |
56.0 |
44.7 |
5.6 |
44.7 |
|
26 |
55.3 |
497.6 |
55.3 |
45.2 |
5.0 |
45.2 |
|
27 |
54.7 |
558.6 |
54.7 |
45.7 |
4.5 |
45.7 |
|
28 |
54.1 |
627.0 |
54.1 |
46.2 |
4.0 |
46.2 |
|
29 |
53.7 |
703.7 |
53.7 |
46.6 |
3.6 |
46.6 |
|
30 |
53.3 |
789.8 |
53.3 |
46.9 |
3.2 |
46.9 |
|
