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STV0196B Datasheet

Part Number STV0196B
Manufacturers ST Microelectronics
Logo ST Microelectronics
Description QPSK/BPSK DEMODULATOR AND FEC IC
Datasheet STV0196B DatasheetSTV0196B Datasheet (PDF)

( DataSheet : www.DataSheet4U.com ) STV0196B QPSK/BPSK DEMODULATOR AND FEC IC . . . . . . . . . . . FRONT-END INTERFACE I AND Q 6 BITS DIGITAL INPUTS AT 2Fs QPSK DEMODULATION (Two Modes : A and B) INPUT SYMBOL FREQUENCY (Fs) UP TO 30MSYMBOLS/S DIGITAL NYQUIST ROOT FILTER : ROLL-OFF VALUE OF 0.35 IN MODE A DIGITAL CARRIER LOOP : - ON-CHIP DEROTATOR AND TRACKING LOOP - CARRIER OFFSET INDICATOR - LOCK DETECTOR - C/N INDICATOR FOR DISH POSITIONING DIGITAL TIMING RECOVERY : - INTERNAL TIMING ERROR.

  STV0196B   STV0196B






QPSK/BPSK DEMODULATOR AND FEC IC

( DataSheet : www.DataSheet4U.com ) STV0196B QPSK/BPSK DEMODULATOR AND FEC IC . . . . . . . . . . . FRONT-END INTERFACE I AND Q 6 BITS DIGITAL INPUTS AT 2Fs QPSK DEMODULATION (Two Modes : A and B) INPUT SYMBOL FREQUENCY (Fs) UP TO 30MSYMBOLS/S DIGITAL NYQUIST ROOT FILTER : ROLL-OFF VALUE OF 0.35 IN MODE A DIGITAL CARRIER LOOP : - ON-CHIP DEROTATOR AND TRACKING LOOP - CARRIER OFFSET INDICATOR - LOCK DETECTOR - C/N INDICATOR FOR DISH POSITIONING DIGITAL TIMING RECOVERY : - INTERNAL TIMING ERROR EVALUATION AND FILTER - OUTPUT CONTROL SIGNAL FOR A 2Fs EXTERNAL VCO OR VCXO DIGITAL AGC : - INTERNAL SIGNAL POWER ESTIMATION AND FILTER - OUTPUT CONTROL SIGNAL FOR AGC (1 BIT PULSE DENSITY MODULATION) DESCRIPTION Designed for the fast growing direct broadcast satellite (DBS) digital TV receiver market, the SGS-THOMSON STV0196B Digital Satellite Receiver Front-end integrates all the functions needed to demodulate incoming digital satellite TV signals from the tuner : Nyquist filters, QPSK/BPSK demodulator, signal power estimator, automatic gain control, Viterbi decoder, deinterleaver, ReedSolomon decoder and energy dispersal descrambler. This high level of integration greatly reduces the package count and cost of a set top box. The demodulator blocks are suitable for a wide range of symbol rates while the advanced error correction functions guaranteea low error rate even with small receiver antennas or low power transmitters. The STV0196B has multistandard capability. It is fully com.


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