![](http://datasheet.mmic.net.cn/100000/GQ2143_datasheet_3138618/GQ2143_7.png)
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ISSUED DATE :2005/01/24
REVISED DATE :
External Resistor Divider Table
R1(K Ohm)
1
2
5
10
20
50
100
200
500
1000
Vout
R2(K Ohm)=(1.215*R1(K Ohm))/(VOUT-1.215)
1.30
14.29
28.59
71.47
142.94
285.88
714.71
1.35
9.00
18.00
45.00
90.00
180.00
450.00
1.40
6.57
13.14
32.84
65.68
131.35
328.38
1.45
5.17
10.34
25.85
51.70
103.40
258.51
517.02
1.50
4.26
8.53
21.32
42.63
85.26
213.16
426.32
852.63
1.55
3.63
7.25
18.13
36.27
72.54
181.34
362.69
725.37
1.60
3.16
6.31
15.78
31.56
63.12
157.79
315.58
631.17
1.65
2.79
5.59
13.97
27.93
55.86
139.66
279.31
558.62
1.70
2.51
5.01
12.53
25.05
50.10
125.26
250.52
501.03
1.75
2.27
4.54
11.36
22.71
45.42
113.55
227.10
454.21
1.80
2.08
4.15
10.38
20.77
41.54
103.85
207.69
415.38
1.85
1.91
3.83
9.57
19.13
38.27
95.67
191.34
382.68
1.90
1.77
3.55
8.87
17.74
35.47
88.69
177.37
354.74
1.95
1.65
3.31
8.27
16.53
33.06
82.65
165.33
330.61
826.53
2.00
1.55
3.10
7.74
15.48
30.96
77.39
154.78
309.55
773.89
2.05
1.46
2.91
7.28
14.55
29.10
72.75
145.51
291.02
727.54
2.10
1.37
2.75
6.86
13.73
27.46
68.64
137.29
274.58
686.44
2.15
1.30
2.60
6.50
12.99
25.99
64.97
129.95
259.89
649.73
2.20
1.23
2.47
6.17
12.34
24.67
61.68
123.35
246.70
616.75
2.25
1.71
2.35
5.87
11.74
23.48
58.70
117.39
234.78
586.96
2.30
1.12
2.24
5.60
11.20
22.40
55.99
111.98
223.96
559.91
2.35
1.07
2.14
5.35
10.70
21.41
53.52
107.05
214.10
535.24
2.40
1.03
2.05
5.13
10.25
20.51
51.27
102.53
205.06
512.66
2.45
0.98
1.97
4.92
9.84
19.68
49.19
98.38
196.76
491.90
2.50
0.95
1.89
4.73
9.46
18.91
47.28
94.55
189.11
472.76
2.55
0.91
1.82
4.55
9.10
18.20
45.51
91.01
182.02
455.06
2.60
0.88
1.75
4.39
8.77
17.55
43.86
87.73
175.45
438.63
877.26
2.65
0.85
1.69
4.23
8.47
16.93
42.33
84.67
169.34
423.34
846.69
2.70
0.82
1.64
4.09
8.18
16.36
40.91
81.82
163.64
409.09
818.18
2.75
0.79
1.58
3.96
7.92
15.83
39.58
79.15
158.31
395.77
791.53
2.80
0.77
1.53
3.83
7.67
15.33
38.33
76.66
153.31
383.28
766.56
2.85
0.74
1.49
3.72
7.43
14.86
37.16
74.13
148.62
371.56
743.12
2.90
0.72
1.44
3.61
7.21
14.42
36.05
72.11
144.21
360.53
721.07
2.95
0.70
1.40
3.50
7.00
14.01
35.01
70.03
140.06
350.14
700.29
3.00
0.68
1.36
3.40
6.81
13.61
34.03
68.07
136.13
340.34
680.67
3.05
0.66
1.32
3.31
6.62
13.24
33.11
66.21
132.43
331.06
662.13
3.10
0.64
1.29
3.22
6.45
12.89
32.23
64.46
128.91
322.28
644.56
3.15
0.63
1.26
3.14
6.28
12.56
31.40
62.79
125.58
313.95
627.91
3.20
0.61
1.22
3.06
6.12
12.24
30.60
61.21
122.42
306.05
612.09
3.25
0.60
1.19
2.99
5.97
11.94
29.85
59.71
119.41
298.53
597.05
3.30
0.58
1.17
2.91
5.83
11.65
58.27
116.55
291.37
582.73