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PDF CXA3067 Data sheet ( Hoja de datos )
| Número de pieza | CXA3067 | |
| Descripción | Wide Band FSK Receiver | |
| Fabricantes | Sony Corporation | |
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Wide Band FSK Receiver
CXA3067M
Description
The CXA3067M is an integrated circuit designed
for CATV wide band FSK receiver. This monolithic
IC is composed of local oscillator, double balanced
mixer, limiter, FM detector, data shaper and PLL
circuit in a single chip.
30 pin SOP (Plastic)
Features
• Built in PLL
• 3 bits 3 states frequency selection
• Applied for 4 reference frequency
(7.15625/7.15909/14.3125/14.31818 MHz)
• Compatible with external reference clock and X’tal
oscillator
• Balanced oscillator and double balanced mixer for
low L.O. leakage
• Low power consumption
• SOP 30 pin package
Absolute Maximum Ratings (Ta=25 °C)
• Supply voltage
VCC –0.3 to +5.5
• Storage temperature Tstg –55 to +150
V
°C
Operating Conditions
• Supply voltage
• Operating temperature
VCC
Topr
4.75 to 5.3
–25 to +75
V
°C
Function
• Oscillator
• Mixer
• PLL
• Limiter
• FSK detector
• Data shaper
Applications
FSK receiver for CATV
Structure
Bipolar silicon monolithic IC
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—
E97657A89-TE
1 page  
Pin Typical
Symbol
No. voltage (V)
16 DETIN
5.0
17 LP1
4.2
18 LP2
4.2
19 POUT
4.1
(Hi)
0.22
(Low)
20 NOUT
4.1
(Hi)
0.22
(Low)
21 IFVCC
22 IFGND
23 RFGND
5.0
0
0
CXA3067M
Equivalent circuit
21 IFVCC
32k
16
Description
Detector input.
Connect to a discriminator.
22 IFGND
21
IFVCC
12p 12p
18
The capacitor is connected
17
between pins 17 and 18 for
the filter.
22
IFGND
21 IFVCC
50
19
22 IFGND
FSK data output.
21 IFVCC Pins 19 and 20 are each
50
20
other reversal condition.
22 IFGND
Power supply for limiter, detector,
data shaper circuit.
GND for limiter, detector,
data shaper circuit.
GND for RFamp, Mixer,
oscillator circuit.
—5—
5 Page 
Wire
Coil Number of
diameter diameter windings
L1 0.5 3 φ 1.5 T
L2 0.5
3.8 φ
6.5 T
5V
Noise Source
Noise Figure meter
30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
CXA3067M
10n
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
3.3n
100p
10n
110p
51k 10n 40p
fref 2.2µ
27k 30n
L2
Measurement : RFamp +Mixer NF
Measurement circuit 5
5V
GV=Vout/Vin
30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
10n
330
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
10n Vout
Vin
Measurement circuit 6
—11—
Measurement : Limiter voltage gain
11 Page | ||
| Páginas | Total 24 Páginas | |
| PDF Descargar | [ Datasheet CXA3067.PDF ] | |
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