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Sony Semiconductor Electronic Components Datasheet

CXA3068N Datasheet

L-band Down Converter for Satellite Tuner

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CXA3068N pdf
CXA3068N
L-band Down Converter for Satellite Tuner
Description
The CXA3068N is a monolithic IC to down-convert
the L-band (930 to 2150 MHz) signal for the satellite
broadcasting receiver. It has a double-balanced
mixer, local oscillator circuit and IF amplifier on chip.
16 pin SSOP (Plastic)
Features
Balance-type Colpitts oscillator circuit provides a
stable and wide range oscillation.
Oscillation frequency : 2.63 GHz
Small leak of the local oscillation signal due to the
double-balanced mixer.
Oscillation frequency drift is small, caused by the
change of impedance at the pre-stage of RF input.
Local oscillator output circuit for PLL.
Single 5 V power supply operation.
Low current consumption. ICC=53 mA (typ.)
16-pin SSOP package contributes to reduction in
set size.
Applications
Satellite broadcasting tuners for BS, CS, DSS and
DVB. (Frequency conversion to the second IF)
Absolute Maximum Ratings (Ta=25 °C)
Supply voltage
VCC –0.3 to +5.5 V
Storage temperature
Tstg –55 to +150 °C
Allowable power dissipation
PD 625 mW
(When mounted on board)
Operating Conditions
Supply voltage
Ambient temperature
VCC 4.75 to 5.3 V
Topr –20 to 75 °C
Structure
Bipolar silicon monolithic IC
Block Diagram and Pin Configuration
16 15
14 13 12 11 10
9
OSC
BUFF
IF AMP
MIX
12345678
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—
E95Z07-TE


Sony Semiconductor Electronic Components Datasheet

CXA3068N Datasheet

L-band Down Converter for Satellite Tuner

No Preview Available !

CXA3068N pdf
Pin Description and Equivalent Circuit
Pin Typical pin
Symbol
No. voltage (V)
Equivalent circuit
VCC2
2
CXA3068N
Description
1 IF OUT
2.5
1 IF output.
2 VCC2
3 GND2
4 GND2
5.0
0
0
5 RF IN1
1.8
6 RF IN2
1.8
7 GND1
0
8 OSC OUT2
3.5
9 OSC OUT1
3.5
IF block power supply.
IF block GND.
IF block GND.
5
2k
6 RF input.
2k Normally, a decoupling capacitor
is connected at Pin 5 to GND and
Pin 6 is used for input.
VCC1
16
RF block GND.
9
Local oscillation output.
40 40
8
—2—


Part Number CXA3068N
Description L-band Down Converter for Satellite Tuner
Maker Sony Corporation
Total Page 11 Pages
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