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APPENDIX 3 - RESISTIVE ATTENUATOR PADS
R1
R3
R3/2
R3/2
Unbalanced
T-PAD
Pi-PAD
Unbalanced
R1
R2
R4
R4
R4
R4
R1/2
Balanced
R1/2
R1/2
R1/2
R2
Balanced
Attenuation
Attenuation
(dB)
(dB)
75 Ohms
75 Ohms
R1
R3
R2
R4
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
20
25
30
35
40
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
20
25
30
35
40
4.3
8.6
12.8
17.0
21.0
25.0
28.7
32.3
35.7
39.0
42.0
45.0
47.6
50.0
52.4
61.4
67.0
70.4
72.4
73.6
8.6
17.4
26.4
35.8
45.6
56.0
67.2
79.3
92.4
107.0
123.0
140.0
159.0
181.0
204.0
371.0
666.0
1186.0
2108.0
3750.0
647.0
323.0
213.0
157.0
123.4
100.0
83.8
71.0
61.0
52.7
45.9
40.2
35.3
31.2
25.0
15.2
8.5
4.8
2.7
1.5
1305.0
654.0
439.0
331.0
268.0
226.0
196.0
174.0
158.0
144.0
134.0
125.0
118.0
112.0
107.0
91.5
83.9
79.7
77.7
76.5