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PDF STV0903 Data sheet ( Hoja de datos )
| Número de pieza | STV0903 | |
| Descripción | Multi-standard advanced demodulator | |
| Fabricantes | STMicroelectronics | |
| Logotipo |  |
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STV0903
Multi-standard advanced demodulator
for satellite digital TV and data services set-top boxes
Data Brief
Features
■ Demodulation
– DIRECTVTM and DVBS QPSK
– DVBS2 QPSK and 8PSK
– Digital Nyquist root filter with 0.20, 0.25,
0.35 excess bandwidth factors
■ Decoding
– Up to 95 mega channel bits per second
(Mcbps) at input to DVBS2 FEC
– Up to 130 Mcbps DVBS or DIRECTVTM at
input to legacy FEC
■ Interfaces
– Dedicated 27 MHz clock generation for
back-end decoder
– I2C serial bus interface
– JTAG interface - boundary scan
– DiSEqCTM 2.x interface
– GPIOs and interrupt lines
– Monitoring through I2C serial interface
– FSK modem
■ Technology
– 90 nm CMOS process
– Power saving features
■ Package
– LQFP-128-EP 14x14, 0.4 mm pitch, RoHS.
Description
STV0903 is a high performance satellite
demodulator capable of handling DVB-S,
DIRECTVTM legacy and DVBS2 (QPSK and
8PSK) constant coding and modulation signals for
satellite broadcast.
AGCRF
[IN, IP]
[QN, QP]
XTALI
XTALO
SCL, SDA
SDAT, SCLT
DISEQCIN
DISEQCOUT
FSKRX_IN
FSKRX_OUT
GPIO[13:1]
TAP
D[7:0]
CLKOUT
STROUT
DPN
ERROR
Dual
8-bit ADC
Clock generation
Slave I2C
manager
ASIC controller
and
power management
DiSEqCTM 2.0
manager
GPIO
switch matrix
IO and
RF AGC
Multi roll-off
nyquist and
interpolation
filters
DVBS2
pilots
processor
and framing
Multi-standard demodulator
Carrier Timing CNR
recovery recovery estimator
loop loop
Echo
concealment
equalizer
Demapper
FSK manager
JTAG
boundary
scan
Lock indicator and
monitoring
DVBS2 FEC
Legacy FEC
Transport
stream
manager
FIFO Line 1
LDPC decoder
BCH decoder
DVBS2 de-framing
CRC checker
Viterbi decoder
Inner de-interleaver
Reed-solomon decoder
Energy descrambler
August 2008
Rev 1
For further information contact your local STMicroelectronics sales office.
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STV0903
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