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| BCM3520 (R) ConnecTVTM Plug and Play DTV Receiver FEATURES * Integrated VSB/QAM QAMLink(R) receiver 12-bit A/D converter with internal AGC amplifier Full equalizer architecture spans up to -35 to 49 s delays Direct IF sampled architecture reduces system cost Single IF signal path for QAM/VSB/NTSC to reduce system costs - ITU-T J.83 Annex A/B/C FEC modes - MPEG-2 transport output (serial/parallel) - All-digital clock and carrier recovery - Integrated PLLs to minimize external components - All acquisition times typically less than 50 ms * QPSK out-of-band receiver - 100-200 MHz receiver LO with input AGC and 6-bit A/D - Variable symbol rate QPSK receiver - Digital demodulator, Nyquist filters, tracking loops, and four-tap adaptive equalizer - DVS-167 (Davic)/DVS-178 (DigiCipherII) FEC decoder * NTSC/PAL IF Demodulator - Adjacent channel rejection filters - Programmable digital audio trap filter - Programmable group delay compensation filter - Analog Composite Video Baseband Signal (CVBS) output - FM demod output supports internal BTSC stereo decoder, external BTSC stereo decoder (baseband or IF input), or external Zweiton M decoder * Integrated acquisition controller - SUMMARY OF BENEFITS * Complete DTV single chip receiver solution * FCC VSB and Plug and Play functionality * Superior performance under both static and dynamic multipath channel conditions * Integrated NTSC demodulator * BTSC decoder on chip * Direct interface to CMOS and discrete DTV tuners * Reduces system costs through direct IF sampling * Single IF path for QAM/VSB/NTSC simplifies board design * Smart antenna support * Automatic NTSC co-channel interference and RFI rejection filters * Integrated de-interleaver RAM for VSB FEC, and QAM for modes up to J=4 reduces system costs * Analog stereo, mono, or SAP outputs * I2S or baseband multiplexed audio output * On-chip stereo audio DACs * BSC master to control peripherals * EIA/CEA-909 antenna interface * 144-pin LQFP package Plug and Play DTV System Solution BCM3419 LNA Tuner MPEG Transport Serial/Parallel BCM3520 VSB/QAM OOB/POD OOB Tuner EIA/CEA-909 Smart Antenna Interface Composite Video Audio: I2S, L/R, multiplex baseband, IF audio Out-of-band Transport |
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