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參數資料
| 型號： | CXA3174N |
| 廠商： | Sony Corporation |
| 英文描述： | AGC IF for GSM/PCS |
| 中文描述： | 中頻自動增益控制用于GSM /件 |
| 文件頁數： | 1/10頁 |
| 文件大小： | 158K |
| 代理商： | CXA3174N |
—1—
E96932A8Z
Sony reserves the right to change products and specifications without prior notice. This information does not convey any license by
any implication or otherwise under any patents or other right. Application circuits shown, if any, are typical examples illustrating the
operation of the devices. Sony cannot assume responsibility for any problems arising out of the use of these circuits.
Absolute Maximum Ratings
(Ta = 25 °C)
Supply voltage
V
CC
Operating temperature range
Topr
Storage temperature range
Tstg
14
V
–35 to +80
°C
–65 to +150
°C
Operating Conditions
Supply voltage
V
CC
2.7 to 3.3
V
Description
The CXA3174N is a 4-bit digital control variable
gain amplifier suitable for the communications.
Features
Gain control amplifier with the wide gain variable
range
Doubler circuit for the LO (local) signal eliminates
need for the phase shifter
Functions
IF signal gain control circuit
I/Q quadrature demodulator
Doubler circuit for the LO signal
Gain control by the 4-bit digital data
Power saving
Applications
GSM and PCS portable telephones
Structure
Bipolar silicon monolithic IC
AGC IF for GSM/PCS
For the availability of this product, please contact the sales office.
20 pin SSOP (Plastic)
CXA3174N
Block Diagram and Package Outline
Reg
Q
Q
L
N
V
V
V
V
N
N
I
I
N
N
G
V
C
I
I
N
P
×
2
Gain Control AMP
1
3
4
5
6
7
8
9
10
2
11
12
13
14
15
16
17
18
19
20
Gain Cont
Phase
Shifter
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