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Reconfigurable Front-End System For BD/DVD/CD Recorder

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1 Author(s)
Goang-Seog Choi ; Chosun Univ., Gwangju

This paper introduces a reconfigurable front-end system that consists of a RF chip and two data processors (DPs). The system has the capability of reading BD/DVD/CDs and recording BD/DVDs. It can be implemented with a RF chip and a BD DP for BD mode and a RF chip and a DVD/CD DP for DVD/CD mode. The newly developed RF chip can process CD, DVD and BD. The presented BD DP can access the BD-R/ROM/RE at 2x speed. The adaptive partial response maximum likelihood (PRML) and optimum power control (OPC) algorithms for improving play ability and recordability of BDs are developed. Due to the proposed adaptive PRML, less than 2 times 10-4 of bit error rate (BER) is achieved with the tilt margin of ±0.6°. The presented OPC algorithm can reduce to the power errors of less than 3 percent in 3 seconds. The developed reconfigurable front-end system is fully verified with real BD/DVD/CDs. Three main chipset of front-end system is fabricated. A RF chip is fabricated in 0.65μm Bi-CMOS process technology and two DPs are fabricated in 0.18μm CMOS process technology.

Published in:

Consumer Electronics, IEEE Transactions on  (Volume:53 ,  Issue: 2 )