http://www.cdrinfo.com/Sections/Arti...2500A&Series=0
POSTOJI SAMO NEC2500A, samo neki u cjenicima zovu to 2500, i naravno sad ima novi 2510.
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NEC Introduces Chipset For 16x Rewritable DVD Drives
NEC has announced a new DVD writer chipset offering 16x DVD-R and DVD+R writing speeds. Here's part of their press release:
NEC Electronics Corporation (TSE: 6723) and its subsidiary in Europe, NEC Electronics (Europe) GmbH, today introduced a chipset for rewritable DVD drives that supports 16x recording speed in DVD-R and DVD+R formats. The improved efficiency enables users to record high data volumes on DVD recorders and personal computers in approximately half the time required by previous 8x speed devices. Compliant with recording and playback formats such as DVD-R/RW, DVD+R/RW, and DVD-RAM, the new chipset enables OEMs to easily configure rewritable DVD drives capable of handling all major standards.
The chipset consists of the µPD63635 digital signal processor (DSP) with ATAPI interface, and the µPC3335 analog signal processor (ASP), which controls the laser and servo systems of the optical pickup unit. The µPD63635's new LVDS (Low Voltage Differential Signaling) driver, 50% reduction of clock jitter, write strategy for high-precision control of the recording laser power, and high logic speed enabled by optimizing the design flow in C, together with the µPC3335's high-bandwidth amplifier optimized for higher operating speeds, help ensure stable recording at 16x speed for DVD-R and DVD+R.
According to NEC, this new chipset is expected to be used by Pioneer and NEC for their new dual format DVD writers. More information can be found here.
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