RF ATT Design
¥ðÇü Attenuators (°¨¼â±â ; 50§Ù)
|
TÇü Attenuators (°¨¼â±â ; 50§Ù)
ATT |
R1 |
R2 |
R3 |
Total |
|||
Resistance |
dissipation |
Resistance |
dissipation |
Resistance |
dissipation |
||
1 dB |
2.875 |
57 |
433.3 |
102 |
2.875 |
46 |
205 |
2 dB |
5.731 |
114 |
215.2 |
180 |
5.731 |
72 |
360 |
3 dB |
8.55 |
171 |
141.9 |
242 |
8.55 |
87 |
446 |
4 dB |
11.31 |
226 |
104.8 |
285 |
11.31 |
90 |
520 |
5 dB |
14.01 |
280 |
82.24 |
314 |
14.01 |
88 |
682 |
6 dB |
16.61 |
332 |
66.93 |
332 |
16.61 |
83 |
747 |
7 dB |
19.12 |
387 |
55.80 |
341 |
19.12 |
76 |
804 |
8 dB |
21.53 |
430 |
47.31 |
343 |
21.53 |
68 |
841 |
9 dB |
23.8 |
|
40.59 |
|
23.8 |
|
|
10 dB |
25.97 |
519 |
35.14 |
328 |
25.97 |
52 |
699 |
11 dB |
28.01 |
|
30.61 |
|
28.01 |
|
|
12 dB |
29.92 |
598 |
26.81 |
300 |
29.92 |
38 |
936 |
13 dB |
31.708 |
|
23.56 |
|
31.708 |
|
|
14 dB |
33.36 |
|
20.78 |
|
33.36 |
|
|
15 dB |
34.9 |
710 |
18.36 |
235 |
34.9 |
21 |
966 |
16 dB |
36.319 |
|
16.25 |
|
36.319 |
|
|
17 dB |
37.623 |
|
14.41 |
|
37.623 |
|
|
20 dB |
40.91 |
818 |
10.10 |
168 |
40.91 |
10 |
996 |
25 dB |
44.67 |
894 |
5.641 |
98 |
44.67 |
5 |
997 |
30 dB |
46.9 |
938 |
3.165 |
59 |
46.9 |
1 |
998 |
35 dB |
48.25 |
970 |
1.779 |
29 |
48.25 |
<1 |
999 |
40 dB |
49.01 |
980 |
1.000 |
20 |
49.01 |
<1 |
1,000 |
50 dB |
49.68 |
|
0.316 |
|
49.68 |
|
|
¡Ø Dissipations based on 1W input with a 50§Ù temination.
Pi & Tee Network Resistive Attenuation Calculator
http://my.athenet.net/~multiplx/cgi-bin/att_pad.main.cgi