DUAL ADVANCED MODULATION SATELLITE RECEIVER FEATURES Dual direct

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DUAL ADVANCED MODULATION SATELLITE RECEIVER FEATURES Dual direct

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BCM4501
DUAL ADVANCED MODULATION SATELLITE RECEIVER
FEATURES Dual direct conversion satellite tuners
Direct conversion architecture standard CMOS process Supports QPSK 8PSK demodulation Input frequency range: 2150 Integrated 8-bit converters
SUMMARY BENEFITS Highly integrated, cost-effective front-end solution
advanced modulation satellite systems single package
Ideal next-generation satellite systems Home
Media Centers, supporting DVB-S2 Broadcast, while maintaining backward-compatible support DVB-S legacy transmissions
Dual advanced demodulation decoders
DVB-S2 Broadcast DVB-S compliant
Advanced design architecture requires external RAM. MPEG-2 transport output interfaces provide glueless system
integration with Broadcom's integrated audio/video decoders.
Data Rates:
DVB-S: 1-45 Msps DVB-S2: 10-30 Msps
Code Rates: 1/4, 1/3, 2/5, 1/2, 3/5, 2/3, 3/4, 4/5, 5/6, 8/9, 9/10 Integrated dual DiSEqC transceivers On-chip microcontroller acquisition tracking 208-pin MQFP package
Integrated microcontroller receiver operations, including
configuration, acquisition, performance monitoring
Host interface operates high-level reduce software
development time simplify system integration.
BCM4501 System Block Diagram Example
Memory
Video
BCM4501
Dual Advanced Satellite Receiver
BCM7401
CPU, Transport HD-AVC Audio/Video Decoder
Audio
OVERVIEW
Equalizer
QPSK/8PSK Tuner Variable Rate Demod
DVB-S Decoder LDPC/BCH Decoder
MPEG
DiSEqC Transceiver DiSEqC DVB-S Decoder LDPC/BCH Decoder Acquisition Processor I2C/SPI
Equalizer
QPSK/8PSK Tuner Variable Rate Demod
MPEG
BCM4501 Block Diagram
BCM4501 fully integrated dual satellite receiver single-chip solution targeted multituner advanced modulation satellite receiver systems ideally suited generation PVR-satellite receivers integrated multifunction Home Media Centers. BCM4501 integrates dual CMOS tuners dual advanced modulation decoders supporting DVB-S2 Broadcast DVB-S applications. highly integrated tuner sections based existing volume production technologies Broadcom direct conversion technology reduce external components increase performance. designed support full 1-45 Msps operating range with support 950-MHz 2150-MHz input frequencies. BCM4501 contains four 8-bit converters, digital variable rate QPSK/8PSK receivers, advanced modulation LDPC/BCH decoder, DVB-S-compliant decoder. required integrated, required clocks generated on-chip from single reference crystal. baseband analog waveforms from tuner sections sampled integrated 8-bit converters, then resampled integrated interpolative digital filter banks. Optimized soft decisions then into either DVB-S-compliant decoder advanced modulation DVB-LDPC/BCH decoder. final error-corrected output delivered MPEG-2 transport format. output clock generated on-chip low-jitter operation glueless integration with Broadcom's high definition audio video subsystems, such BCM7038 BCM7401. communication link sections include on-chip microcontroller system configuration, acquisition, control, monitoring, diagnostics functions, plus dual integrated DiSEqC2.x controllers two-way communication with LNBs. BCM94501 reference design available easy system design testing using BCM4501 device. Schematics, Gerber files, evaluation software available.
Broadcom®, pulse logo, Connecting everything®, Connecting everything logo among trademarks Broadcom Corporation and/or affiliates United States, certain other countries and/or other trademarks trade names mentioned property their respective owners.
BROADCOM CORPORATION 16215 Alton Parkway, P.O. 57013 Irvine, California 92619-7013
2006 BROADCOM CORPORATION. rights reserved. 4501-PB01-R 08/11/06
Phone: 949-450-8700 Fax: 949-450-8710 E-mail: info@broadcom.com Web: www.broadcom.com

DUAL ADVANCED MODULATION SATELLITE RECEIVER FEATURES Dual direct

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