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A dual-channel QAM/QPSK receiver IC with integrated cable set-top box functionality

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11 Author(s)
D'Luna, L. ; Broadcom Corp., Irvine, CA, USA ; Yang, P. ; Mueller, D. ; Cameron, K.
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A digital cable-TV receiver IC with a 5 MBaud 64/256-QAM in-band channel and a 1 MBaud QPSK out-of-band channel incorporating on-chip forward error correction, tracking loops and adaptive decision feedback equalizers has been designed. The device further integrates out-of-band message separation and peripheral box control circuitry. The chip interfaces to a MC-68331 microprocessor and uses a mix of semicustom and custom design methodologies to achieve functionality in an 8 mm×8 mm die area with a 0.5 μm CMOS technology, while dissipating 1.8 W at 5 V in a 208-pin PQFP package

Published in:

Custom Integrated Circuits Conference, 1998. Proceedings of the IEEE 1998

Date of Conference:

11-14 May 1998