STV0297J Datasheet, PDF (1/2 Pages) STMicroelectronics – Universal digital cable demodulator

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STV0297J
Universal digital cable demodulator
DATA BRIEF
Description
The STV0297J is a highly integrated device,
compliant with DVB-C/ITUJ83-A/B/C.
It provides a small footprint, low-power solution
enabling it to be easily integrated into broadcast
and interactive set-top boxes and network inteface
modules.
Furthermore, the STV0297J is the first QAM
demodulator with the integrated support for
transport stream multiplex frame required for
Japanese cable set-top boxes.
Application: Advanced solution for very low-cost broadcast and interactive cable set-top boxes
Quadrature
demodulation
DEMODULATOR
Nyquist filtering AGC Derotator
Channel
equaliser
Vin +
Vin - ^ADC
FEC
Signal
quality
estimator
AGC1
AGC2
SCL
SDA
WBAGC
&
delayed AGC
Symbol
timing
recovery
Carrier
recovery
I²C
interface
Lock status
&
IRQ generator
to all registers
I²C
repeater
SCLT SDAT
CLK
Clock
generation
XTAL
FEC B
FEC A/C
Trellis decoder
De-randomiser
De-interleaver
RS FEC decoder
MPEG sync
Shared RAM
TSMF function
Output
formatter
Bit error
rate
tester
Output stream
March 2004
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