STV0297J

® 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 I²C interface to all registers Trellis decoder De-randomiser De-interleaver RS FEC decoder MPEG sync Shared RAM TSMF function I²C 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 ■ I²C serial bus and I²C 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 De...