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| (R) 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 DEMODULATOR Quadrature demodulation Vin + Vin ADC Nyquist filtering AGC Derotator Channel equaliser FEC Signal quality estimator AGC1 AGC2 WBAGC & delayed AGC Symbol timing recovery Carrier recovery FEC B FEC A/C Lock status & IRQ generator SCL SDA IC interface to all registers Trellis decoder De-randomiser De-interleaver RS FEC decoder MPEG sync Shared RAM TSMF function IC repeater CLK Output formatter Output stream Bit error rate tester Clock generation SCLT SDAT XTAL March 2004 1/2 STV0297J Features Integrated high performance ADC Support for 4-, 16-, 32-, 64-, 128-, 256-point constellation variable symbol Rate from 0.87 MBaud to 11.7 MBaud Robust integrated adaptative equaliser IC serial bus and IC repeater DVB common parallel interface-compliant serial and parallel data output Lock time <100ms Low power consumption <0.5W typ. TQFP 64 10x10 package Ordering information Device number STV0297J STV0297JT STV0297J-TMM Description QAM FEC A/B/C QAM FEC A/B/C with tape and reel Development platform Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. STMicroelectronics products are not authorized for use as critical components in life support devices or systems without the express written approval of STMicroelectronics. The ST logo is a registered trademark of STMicroelectronics All other names are the property of their respective owners (c) 2004 STMicroelectronics - All Rights Reserved STMicroelectronics Group of Companies Australia - Belgium - Brazil - Canada - China - Czech Republic - Finland - France - Germany - Hong Kong - India - Israel - Italy Japan - Malaysia - Malta - Morocco - Singapore - Spain - Sweden - Switzerland - United Kingdom - United States www.st.com 2/2 |
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