rev. c
AD8002
–6–
–2
–1
–4
–3
0
+1
+2
–5
–6
10M 1G100M1M
频率 – hz
增益 – db
一侧 1
一侧 2
75
50
50
953
V
在
= 50mv
g = +1
R
F
= 953
R
L
= 100
图示 16. 频率 回馈, g = +1
–40
–70
–100
–80
–90
–60
–50
100k 100M10M1M10k
频率 – hz
扭曲量 – dbc
g = +1
R
L
= 100
V
输出
= 2v p-p
2nd 调和的
3rd 调和的
图示 17. 扭曲量 vs. 频率, g = +1, r
L
=
100
Ω
–40
–60
–110
–50
–80
–70
–100
–90
100k 100M10M1M10k
频率 – hz
扭曲量 – dbc
g = +1
R
L
= 1k
3rd 调和的
2nd 调和的
图示 18. 扭曲量 vs. 频率, g = +1, r
L
= 1 k
Ω
0
–3
–27
10M 500M100M
–18
–21
–24
–15
–12
–9
–6
输入 水平的 – dbv
频率 – hz
+6
+3
0
–3
–6
–9
–12
–15
–18
–21
输出 水平的 – dbv
1M
g = +2
R
F
= 681
V
S
=
5V
R
L
= 100
图示 19. 大 信号 频率 回馈, g = +2
输入/输出 水平的 – dbv
频率 – hz
+6
+3
–27
–12
–15
–18
–9
–6
–3
0
+9
10M 500M100M1M
R
L
= 100
g = +1
R
F
= 1.21k
75
50
50
1.21k
图示 20. 大 信号 频率 回馈, g = +1
+25
+10
–5
1M 10M 100M
0
+5
+15
+20
频率 – hz
增益 – db
1G
+45
+30
+35
+40
g = +100
R
F
= 1000
g = +10
R
F
= 499
V
S
=
5V
R
L
= 100
图示 21. 频率 回馈, g = +10, g = +100
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