Applications Information (Continued)
e
e
TABLE II. Attentuator Tables for Z1 Z2 300X
(All Values in X)
dB
R1
R2
R3
R4
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
2
1.7
3.5
26k
13k
8.7k
6.5k
5.2k
4.4k
3.7k
3.3k
2.9k
2.6l
1.3k
850
650
494
402
380
284
244
211
184
161
142
125
110
98
3.5
6.9
52k
26k
5.2
10.4
13.8
17.3
21.3
24.2
27.7
31.1
34.6
70
17.4k
13k
6.9
8.5
10.5k
8.7k
7.5k
6.5k
5.8k
5.2k
2.6k
1.8k
1.3k
1.1k
900
785
698
630
527
535
500
473
450
430
413
386
366
10.4
12.1
13.8
15.5
17.3
34.4
51.3
68
3
107
144
183
224
269
317
370
427
490
550
635
720
816
924
1.17k
1.5k
4
5
84
6
100
115
379
143
156
168
180
190
200
210
218
233
246
7
8
9
10
11
12
13
14
15
16
18
20
77
61
Typical Synchronous Application
TL/H/5510–6
a
R1 R2
l
a
where (R1 R2) 10 KX.
e
c
Note 1: XMIT gain 20 log
R2
#
J
FIGURE 4
13
NSC [ National Semiconductor ]
