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PDF CXA1852N Data sheet ( Hoja de datos )
| Número de pieza | CXA1852N | |
| Descripción | Quadrature Modulator for 900 MHz-Band Mobile Communications | |
| Fabricantes | Sony Corporation | |
| Logotipo |  |
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CXA1852N
Quadrature Modulator for 900 MHz-Band Mobile Communications
For the availability of this product, please contact the sales office.
Description
The CXA1852N is an IC package that combines a
π/2 phase shifter with a quadrature modulator.
This is suitable for 900 MHz digital cordless
telephone (CT2) and digital cellular.
20 pin SSOP (Plastic)
Features
• Quadrature modulator IC has a built-in π/2 phase
shifter.
• Local frequency = 300.1 MHz (max.); I&Q = 36
kHz (max.)
• Small phase error
• Operating voltage range: 2.7 to 5 V
• Power saving function
• 20-pin SSOP package used for set size reduction
Applications
• CT2 digital cordless telephone
• Digital cellular
Structure
Bipolar silicon monolithic IC
Absolute Maximum Ratings (Ta=25 °C)
• Supply voltage
VCC
6
V
• Operating temperature Topr –20 to +70 °C
• Storage temperature Tstg –65 to +150 °C
• Allowable power dissipation
PD
530∗
mW
∗When mounted on a 50 × 50 × 1.6 mm copper-
foiled glass epoxy board
Recommended Operating Conditions
• Supply voltage
VCC 2.7±5.0
V
Block Diagram and Pin Configuration
20 19 18 17 16 15 14 13 12 11
LPF
F/F LPF
MIXER
REGULATOR
ADDER
-AMP
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—
E93517A5Y-TE
1 page  
Electrical Characteristics Test Circuit
CXA1852N
0.01µ
20 19 18 17 16 15 14 13 12 11
LPF
F/F LPF
MIXER
REGULATOR
ADDER
-AMP
1 2 3 4 5 6 7 8 9 10
1000p
LO SG
1000p
Signal
Lo
I signal
Q signal
Frequency
300.1 MHz
36 kHz
35 kHz
Input level
–10 dBm
1 Vp-p
1 Vp-p
Remarks
I/O phase difference = 90 °C
DC for measuring the local leak
VCC=VP/S
VI=VIb=VQ=VQb
2.7 to 5.5 V
0.5 × VCC
—5—
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet CXA1852N.PDF ] | |
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