http://www.www.datasheet4u.com

900,000+ Datasheet PDF Search and Download

Datasheet4U offers most rated semiconductors datasheets pdf




Sony Semiconductor Electronic Components Datasheet

CXD1961AQ Datasheet

DVB-S Frontend IC (QPSK demodulation + FEC)

No Preview Available !

CXD1961AQ pdf
CXD1961AQ
DVB-S Frontend IC (QPSK demodulation + FEC) Preliminary
For the availability of this product, please contact the sales office.
Description
The CXD1961AQ is a single chip DVB compliant
Satellite Broadcasting Frontend IC, including dual
A/D converter for analog baseband I/Q input, QPSK
demodulator, Viterbi decoder Reed-Solomon decoder
and Energy Dispersal descrambler. It is suitable for
use in a DVB Integrated Receiver Decoder.
100 pin QFP (Plastic)
Features
Dual 6 bit A/D converter
QPSK demodulator
Multi-symbol rate operation
Nyquist Roll off filter (α = 0.35)
Clock recovery circuit
Carrier recovery circuit
AGC control (PWM output)
Viterbi decoder
Absolute Maximum Rating (Ta = 25°C, GND = 0V)
Power Supply
VDD –0.5 to +4.6 V
Input Voltage
VIN –0.5 to VDD + 0.5 V
Output Voltage
VOUT –0.5 to VDD + 0.5 V
I/O Voltage
VI/O –0.5 to VDD + 0.5 V
CPU I/F pin
Vcpuif –0.5 to +5.5 V
Storage Temperature Tstg –55 to +150 °C
Constraint length 7
Truncation length 144
BER monitor of QPSK demodulator output
Frame synchronization circuit
Convolutional de-interleaver
Reed-Solomon decoder (204,188)
Recommended Operating Condition
(Ta = 0 to 75°C, GND = 0V)
Power Supply
VDD 3.15 to 3.45 V
Input High level
VIH 0.7 × VDD to VDD + 0.5 V
Input Low level
VIL 0.3 to 0.2 × VDD V
BER monitor of Viterbi decoder output
Energy dispersal descrambler
CPU interface circuit
I2C bus interface (5V input capability)
Package
QFP 100pin
Operating frequency 20 to 30MSPS
Power consumption 750mW (@3.3V 30MSPS typical)
Process
0.4µm CMOS Technology
Application
DVB-S Set Top Box (Satellite)
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–
PE97854-PS


Sony Semiconductor Electronic Components Datasheet

CXD1961AQ Datasheet

DVB-S Frontend IC (QPSK demodulation + FEC)

No Preview Available !

CXD1961AQ pdf
CXD1961AQ
Block Diagram
100 99 98 97 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81
AVS0 1
RB0 2
VDD0 3
VSS0 4
TEST1 5
TEST2 6
TEST3 7
TEST4 8
NC 9
VDD1 10
VSS1 11
SDAT/SCL 12
SCLK 13
SEN/SDA 14
VDD2 15
VSS2 16
TCK 17
TMS 18
TEST6 19
TEST7 20
CK8OUT 21
RESET 22
TE 23
VDD3 24
VSS3 25
PKTCLK 26
BYTCLK 27
PKTERR 28
DATA0 29
DATA1 30
analog I/O
2ch ADC
Sampling
Clock
VCO
QPSK
Demodulator
PLL
Viterbi Decoder
NCO
De-interleaver
Reed-Solomon
Decoder
Energy Dispersal
decoded data
& clock
CPU I/F
I2C bus
80 VDD9
79 CR7
78 CR6
77 CR5
76 CR4
75 VSS8
74 VDD8
73 CR3
72 CR2
71 CR1
70 CR0
69 CKV
68 AGCPWM
67 VSS7
66 VDD7
65 VCK
64 VDT
63 XI
62 XO
61 AVS3
60 AVD3
59 SDA
58 SCL
57 TEST22
56 TEST21
55 TEST20
54 VSS6
53 VDD6
52 TEST19
51 TEST18
31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
Typical Block Diagram
LNB
SAW
VCO
PLL
Reference
Amp
I/Q
detector
LPF
LPF
479.5MHz
OSC
90°
Micro Controller
–2–
QPSK + FEC
SONY
CXD1961AQ
Data
Clock
LPF Crystal


Part Number CXD1961AQ
Description DVB-S Frontend IC (QPSK demodulation + FEC)
Maker Sony Corporation
Total Page 30 Pages
PDF Download
CXD1961AQ pdf
Download PDF File


Buy Electronic Components




Related Datasheet

1 CXD1961AQ DVB-S Frontend IC (QPSK demodulation + FEC) Sony Corporation
Sony Corporation
CXD1961AQ pdf






Part Number Start With

0    1    2    3    4    5    6    7    8    9    A    B    C    D    E    F    G    H    I    J    K    L    M    N    O    P    Q    R    S    T    U    V    W    X    Y    Z

site map

webmaste! click here

contact us

Buy Components