STV0196B中文资料PDF规格书
STV0196B规格书详情
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 : Nyquistfilters, 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.
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)
FORWARD ERROR CORRECTION
.INNER DECODER :
- VITERBI SOFT DECODER FOR CONVOLUTIONAL CODES, CONSTRAINT LENGTH M = 7, RATE 1/2
- PUNCTURED CODES 1/2, 2/3, 3/4, 5/6 AND 7/8 IN MODE A
- AUTOMATIC OR MANUAL RATE AND PHASE RECOGNITION
.DEINTERLEAVER :
- WORD SYNCHRO EXTRACTION
- CONVOLUTIVE DEINTERLEAVER
.OUTER DECODER :
- IN MODE A : REED-SOLOMON DECODER FOR 16 PARITY BYTES ; CORRECTION OF UP TO 8 BYTE ERRORS
- BLOCK LENGTHS : 204 IN MODE A
- ENERGY DISPERSAL DESCRAMBLER CONTROL
.I2C SERIAL BUS
产品属性
- 型号:
STV0196B
- 制造商:
STMICROELECTRONICS
- 制造商全称:
STMicroelectronics
- 功能描述:
QPSK/BPSK DEMODULATOR AND FEC IC
供应商 | 型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
---|---|---|---|---|---|---|---|
ST/意法 |
22+ |
QFP64 |
20000 |
原装现货,实单支持 |
询价 | ||
ADI |
23+ |
QFP64 |
8000 |
只做原装现货 |
询价 | ||
ST |
23+ |
QFP-64 |
10800 |
只做原装 欢迎咨询 |
询价 | ||
2315+ |
QFP |
3266 |
优势代理渠道,原装现货,可全系列订货 |
询价 | |||
ST |
23+ |
QFP |
8795 |
询价 | |||
ST |
22+ |
QFP-64 |
2987 |
只售原装自家现货!诚信经营!欢迎来电! |
询价 | ||
ST |
23+ |
LQFP |
200 |
专营高频管模块,全新原装! |
询价 | ||
ST |
23+ |
N A |
16900 |
正规渠道,只有原装! |
询价 | ||
ST/意法 |
23+ |
NA/ |
3024 |
优势代理渠道,原装正品,可全系列订货开增值税票 |
询价 | ||
ST |
06+ |
?QFP-64 |
1000 |
全新原装 绝对有货 |
询价 |