modulatore cofdm dvb-t con encoder mpeg2 integrato

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Transcript modulatore cofdm dvb-t con encoder mpeg2 integrato

EMD1

MODULATORE COFDM DVB-T CON ENCODER MPEG2 INTEGRATO

EMD1

MODULATORE COFDM DVB-T CON ENCODER MPEG2 INTEGRATO

CARATTERISTICHE TECNICHE DVB-T Modulation According to ETSI-EN 300744 V1.5.1

SEZIONE MODULATORE

• Constellations: QPSK, QAM16, QAM64 • FEC: 1/2, 2/3, 3/4, 5/6, 7/8 • Guard intervals: 1/4, 1/8, 1/16, 1/32 • IFFT modes: 2k and 8k • Bandwidth: 6MHz, 7MHz and 8MHz • IF output between 3.5MHz and 70MHz) • TS-processing (bitrate adaption, PCR correction) • >42dB MER • Serial port confi guration

SEZIONE ENCODER •

Video encoder • MPEG-1 (ISO/IEC11172-2) • (ISO/IEC13818-2) • MPEG2 MP@ML encoding function NTSC and PAL video formats • Maximum bit-rate is 15Mbps • • OPTION: SDI INPUT • Video input : BNC Audio encoder • (ISO/IEC11172-3) • MPEG1 Audio layer-1/2 encoding function Maximum bit-rate is 448kbps • Audio interface: mini XLR balanced • System multiplex • Constant or variable bit-rate (CBR/VBR) • Maximum bit-rate is 20Mbps • External or internal TS clock • External memory • SDRAM: 4 x (1M x 16-bit) or 2 x (2M x 32-bit) • Time base corrector (TBC) • Internal 32-bit RISC processor

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