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PDF CXA3174N Data sheet ( Hoja de datos )
| Número de pieza | CXA3174N | |
| Descripción | AGC IF for GSM/PCS | |
| Fabricantes | Sony Corporation | |
| Logotipo |  |
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CXA3174N
AGC IF for GSM/PCS
For the availability of this product, please contact the sales office.
Description
The CXA3174N is a 4-bit digital control variable
gain amplifier suitable for the communications.
20 pin SSOP (Plastic)
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
Absolute Maximum Ratings (Ta = 25 °C)
• Supply voltage VCC
14
• Operating temperature range
Topr
–35 to +80
• Storage temperature range
Tstg –65 to +150
Operating Conditions
Supply voltage VCC
2.7 to 3.3
V
°C
°C
V
Structure
Bipolar silicon monolithic IC
Block Diagram and Package Outline
20 19 18 17 16 15 14 13 12 11
Phase
Shifter
Gain Control AMP
×2
Gain Cont
Reg
1 2 3 4 5 6 7 8 9 10
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.
—1—
E96932A8Z
1 page  
CXA3174N
Item
I/Q output
phase deviation1
I/Q output
phase deviation2
Symbol
Conditions
IQpdev1
IQpdev2
Differential I/Q output
∗1, ∗2
10 kΩ load IF input level : –20 dBm
(330 Ω conversion) Gain=0 dB
LO input level : 30 mVrms
Differential I/Q output
∗1, ∗2
10 kΩ load IF input level : –20 dBm
(330 Ω conversion) Gain=0 dB
LO input level : 80 mVrms
Min.
–2.5
–2.5
I/Q output DC voltage IQvdc
1.4
I/Q output
I-IX, Q-QX
IQvdcd
DC voltage deviation
Output voltage difference
–30
Noise figure1
NF 1 Gain=60 dB
Typ.
1.5
Max.
2.5
2.5
1.6
30
22.5
Unit
deg
deg
V
mV
dB
Noise figure2
NF 2
Tertiary intercept
point1
Tertiary intercept
point2
IP31
IP32
PS input ON voltage VpsL
Logic input
High voltage
Logic input
Low voltage
Logic input
resistance
VCvH
VCvL
VCr
LOIN input resistance LOINr
Gain=20 dB
Gain=60 dB, 330 Ω conversion ∗1
Gain=20 dB, 330 Ω conversion ∗1
–49
–30
0
2.2
0
30
1.4
40 dB
dBm
dBm
0.8 V
VCC+0.3 V
0.8 V
kΩ
2 2.6 kΩ
IFIN input resistance IFINr Differential input
1.5 2.2 2.9 kΩ
IFIN input level
IFINv 330 Ω conversion
–90 –10 dBm
—5—
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet CXA3174N.PDF ] | |
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