| 摘要 |
PROBLEM TO BE SOLVED: To increase accuracy in a recording position on a medium and that for setting a sampling pulse, and to speed up a transfer rate in an optical disk recording device. SOLUTION: Two systems of recording signals (100, 102) and synchronous clocks (101, 103) are outputted from a controller LSI (11), one system is fed to a laser driver LSI (5), and the other is fed to an analog front end LSI (10). Delay in the two systems of recording signals can be independently adjusted inside the controller LSI. A sample hold pulse generation circuit is provided inside the analog front end LSI. The recording signals and the synchronous clocks use an interface having a small amplitude of 2V or less. As a result, positioning precision at a recording position on a medium is improved, and recording operation can be speeded up. COPYRIGHT: (C)2005,JPO&NCIPI
|
