Broadcom Corporation - BCM3040 - Universal DOCSISĀ® 2.0-Based Downstream Modulator

The BCM3040 QAMLink universal Modulator is a highly integrated solution that decreases the board space and cost of Modulators in DOCSIS 2.0-based CMTS applications. The BCM3040 features an advanced downstream QAM Modulator that includes an extended ITU-T J.83 Annex A/B/C FEC encoder, an all-digital QAM Modulator supporting up to 1024 QAM, and an integrated 10-bit D/A Converter with power control. Additionally, the BCM3040 includes a second Modulator that CAN be used for out-of-band signaling or CPE power control. The BCM3040 combined with the BCM3140 QAMLink Burst Receiver and BCM3214 QAMLink CMTS MAC provides a complete solution for advanced DOCSIS 2.0-based cable headend equipment.
By Broadcom Corp.
BCM3040 's PackagesBCM3040 's pdf datasheet



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BCM3040 Application circuits
BCM3040 circuits
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