rev. c
AD8001
–6–
增益 – db
0
–5
–35
100M
1G 3G
–10
–15
–20
–25
–30
频率 – hz
5
V
在
= –26dbm
R
F
= 909
图示 16. 频率 回馈, g = +1
+1
–4
–9
10M 1G100M2M
–3
–2
–1
0
–8
–7
–6
–5
输出 – db
频率 – hz
g = +1
R
L
= 100
V
在
= 50mv
R
F
= 649
R
F
= 953
图示 17. flatness, r 包装, g = +1 (为 n 包装 增加
100
Ω
至 r
F
)
–40
–60
–110
100k 100M10M1M10k
–50
–80
–70
–100
–90
扭曲量 – dbc
频率 – hz
g = +1
R
L
= 1k
V
输出
= 2v p-p
2ND
调和的
3RD
调和的
图示 18. 扭曲量 vs. 频率, r
L
= 1 k
Ω
1000
900
500
600
700
1100
800
900
800
700
600
1000
值 的 反馈 电阻 (r
F
) –
–3db 带宽 – mhz
n 包装
r 包装
V
在
= 50mv
R
L
= 100
g = +1
图示 19. –3 db 带宽 vs. r
F
, g = +1
频率 – hz
10k 100k 1M 10M 100M
–40
–70
–100
–80
–90
–60
–50
扭曲量 – dbc
R
L
= 100
g = +1
V
输出
= 2v p-p
2nd 调和的
3rd 调和的
图示 20. 扭曲量 vs. 频率, r
L
= 100
Ω
3
–9
–24
1M 100M10M
–12
–15
–6
–3
频率 – hz
–27
0
–18
–21
输出 – dbv
R
L
= 100
g = +1
图示 21. 大 信号 频率 回馈, g = +1