www.fairchildsemi.com
6
Fan4174/fan4274 rev. 2d
Fan4174/fan4274 单独的 和 双 过激-低 费用, 栏杆-至-栏杆 i/o, cmos amplifiers
典型 效能 特性
(
V
S
= +2.7, g = 2, r
L
= 10k
Ω
至 v
S
/2, r
F
= 5k
Ω
;除非 否则 指出
)
图示 1. 非-反相的 freq. 回馈 (+5v) 图示 2. 反相的 freq. 回馈 (+5v)
图示 3. 非-反相的 freq. 回馈 图示 4. 反相的 freq. 回馈
图示 5. 频率 回馈 vs. c
L
图示 6. 频率 回馈 vs. r
L
normalized 增益 (db)
频率 (mhz)
1.0 100.1
g = 10
g = 5
g = 1
R
f
= 0
g = 2
V
o
= 0.2v
pp
频率 (mhz)
1.0 100.1
g = -10
g = -5
g = -1
g = -2
V
o
= 0.2v
pp
1
0
-1
-2
-3
-4
-5
-6
-7
-8
-9
-10
normalized 增益 (db)
0.1
1
0
-1
-2
-3
-4
-5
-6
-7
-8
-9
-10
频率 (mhz)
1.0 100.1
g = 10
g = 5
g = 1
R
f
= 0
g = 2
V
o
= 0.2v
pp
频率 (mhz)
1.0 100.1
g = -10
g = -5
g = -1
g = -2
V
o
= 0.2v
pp
normalized 增益 (db)
1
0
-1
-2
-3
-4
-5
-6
-7
-8
-9
-10
normalized 增益 (db)
1
0
-1
-2
-3
-4
-5
-6
-7
-8
-9
-10
频率 (mhz)
1.0 100.1
C
L
= 50pf
R
s
= 0
C
L
= 500pf
R
s
= 165
Ω
C
L
= 2000pf
R
s
= 65
Ω
V
o
= 50mv
频率 (mhz)
1.0 100.1
R
L
= 200
Ω
R
L
= 10k
Ω
R
L
= 1k
Ω
V
o
= 0.2v
pp
C
L
= 1000pf
R
s
= 100
Ω
C
L
= 100pf
R
s
= 0
+
-
5k
Ω
5k
Ω
R
s
C
L
R
L
R
L
= 50
Ω
增益 (db)
8
7
6
5
4
3
2
1
0
-1
-2
-3
增益 (db)
8
7
6
5
4
3
2
1
0
-1
-2
-3
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