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參數(shù)資料
| 型號： | μPC3211GR |
| 廠商： | NEC Corp. |
| 英文描述： | AGC Amplifier For Digital CATV Reture Pass(自動增益控制（AGC）放大器) |
| 中文描述： | AGC放大器對于有線數(shù)字電視Reture通行證（自動增益控制（AGC）的放大器） |
| 文件頁數(shù)： | 7/16頁 |
| 文件大?。?/td> | 137K |
| 代理商： | ΜPC3211GR |
Data Sheet P13564EJ3V0DS00
7
μ
PC3211GR
20
10
0
10
20
30
40
50
GAIN vs. AGC VOLTAGE
G
0
0.5
1
AGC Voltage V
AGC
(V)
1.5
2
2.5
3.5
3
V
CC
= V(Psave) = 8 V
V
CC
= V(Psave) = 9 V
V
CC
= V(Psave) = 10 V
f
in
= 65 MHz
P
in
=
20 dBm
measurement
circuit2
10
5
0
5
10
15
20
OUTPUT POWER vs. INPUT POWER
f
in
= 65 MHz
V
AGC
= 0 V
measurement
circuit2
O
o
30
25
20
Input Power P
in
(dBm)
15
10
5
0
V
CC
= V(Psave) = 8 V
V
CC
= V(Psave) = 9 V
V
CC
= V(Psave) = 10 V
20
0
20
40
60
80
O
o
30
25
20
15
Input Power P
in
(dBm)
10
5
0
V
CC
= 9 V
V(Psave) = 9 V
f
in
= 65 MHz
measurement
circuit2
OUTPUT POWER vs. INPUT POWER
V
AGC
= 0 V
V
AGC
= 1.1 V
V
AGC
= 2.2 V
V
AGC
= 3 V
V
AGC
= 1.5 V
12
11
10
9
8
N
0
20
40
Input Frequency f
in
(MHz)
60
80
100
NOISE FIGURE vs. INPUT FREQUENCY
V
AGC
= 0 V
measurement
circuit3
V
CC
= V(Psave) = 8 V
V
CC
= V(Psave) = 9 V
V
CC
= V(Psave) = 10 V
30
20
10
0
10
20
30
40
50
60
70
80
G
GAIN vs. INPUT FREQUENCY
0
20
40
Input Frequency f
in
(MHz)
60
80
100
V
CC
= 9 V
V(Psave) = 9 V
P
in
=
20 dBm
measurement
circuit2
V
AGC
= 0 V
V
AGC
= 1.1 V
V
AGC
= 1.5 V
V
AGC
= 2.2 V
V
AGC
= 3 V
V
AGC
= 3.3 V
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