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constant angular velocity

   Also found in: Acronyms, Wikipedia 0.06 sec.
(storage)constant angular velocity - (CAV) A disk driving scheme in which the angular velocity of the disk is kept constant. This means that the linear velocity of the disk be larger when the reading or writing the outer tracks. The disadvantage of this technique is that the read/write speed varies from track to track. However, as mechanical stability puts an upper limit on the angular velocity (and not the linear velocity) this allows the full potential of the drive is used.


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The DV-516E supports both standard 12cm and mini 8cm discs and the unit's Constant Angular Velocity (CAV) capabilities optimize the drive's throughput and reliability by rotating the disc at a consistent speed.
This hysteresis loop is generated at a constant angular velocity, as is the sinusoidal curve.
A unique feature calibrates the drive to each media disc to ensure the highest quality write operation using Constant Angular Velocity (CAV) servo positioning.
 
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