Optical storage device for writing data at a constant bit density during a CAV mode of operation

摘要

An optical read/write drive such as a DVD+RW drive includes a write clock generator that allows new data to be written to an optical disc at a constant linear density while the drive is operating in a constant angular velocity mode. The write clock generator generates a zone write clock that is supplied to a laser driver during a write operation. The write clock generator can adjust the frequency of the zoned write clock to correspond to different zones of the optical disc.