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PDF STV0900 Data sheet ( Hoja de datos )
| Número de pieza | STV0900 | |
| Descripción | Multistandard advanced dual demodulator | |
| Fabricantes | STMicroelectronics | |
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STV0900
Multistandard advanced dual demodulator
for Satellite Digital TV and Data services set-top boxes
Data Brief
Description
The STV0900 features a high speed DVB-S2 Forward Error Corrector (FEC) which is designed to handle
up to 180 Mega Channel bits per second at its input. To feed the FEC the STV0900 implements two
identical demodulators, each capable of handling QPSK legacy, DVBS2 constant coding and modulation
for satellite broadcast and Advanced Coding and Modulation for interactive services. The STV0900
supports mode switching on a frame basis without synchronization or data loss.
Features
■ Demodulation
– RF interfaces
– Each demodultor can handle:
– DIRECTVTM and DVBS QPSK
– DVBS2 QPSK, 8PSK and 16APSK
– Digital Nyquist root filter
– With 0.20, 0.25, 0.35 excess bandwidth
factors.
– DVBS or DIRECTVTM
– DVBS2 broadcasting (CCM)
– DVBS2 adaptative (ACM)
■ Dual decoding
– Up to 180 Mega DVBS2 channel bits per
second (Mcbps) at input to FEC
– Up to 130 Mcbps DVBS or DIRECTVTM
legacy per FEC
– Legacy DVB-S
– DVB-S2
■ Transport stream management
– Dual data to MPEG decoder
– Single ACM data to microprocessor
– DVB-S2 framing
■ Interfaces
– Dedicated 27 MHz clock generation for
back-end decoder
– I2C serial bus interface
– JTAG interface - boundary scan
– 2 DiSEqCTM 2.x interfaces
– GPIOs and interrupt lines
– Monitoring through I2C serial interface
■ Technology
– 90 nm CMOS process
– Multi supply: 1.0 V core, 2.5 V analog,
3.3 V digital interfaces
– Power saving features
■ Package
– Exposed PAD LQFP 128 14x14, 0.4 pitch
– 4 layer PCB recommended.
December 2006
Rev 1
For further information contact your local STMicroelectronics sales office.
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www.st.com
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STV0900
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