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| EP20K600EFC672-1资料 | |
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EP20K600EFC672-1 PDF Download |
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File Size : 116 KB
Manufacturer:ALTERA Description:• Controls the exact light power levels coming from the laser and controls the exact power absorbed by the disc during recording. This is not trivial since the laser characteristics (both threshold and gain) are strongly temperature dependent. A first control loop controls the laser power levels based on the signal from a forward sense diode (FS control). This will make the laser virtually temperature and aging independent. The loop is fully self-contained, only an external forward sense diode must be connected. A second control loop controls the laser power based on an alpha signal, generated by additional electronics based on signals from the diode during writing. It is primarily intended to compensate for writing performance variations due to |
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| 1PCS | 100PCS | 1K | 10K | ||
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型 号：EP20K600EFC672-1 厂 家：ALTERA 封 装：110 批 号：07+ 数 量：BGA 说 明： |
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运 费： 所在地： 新旧程度： |
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| 联系人：关女士 |
| 电 话：86-75584720945 |
| 手 机： |
| QQ：371911117 |
| MSN：gjk8477@hotmail.com,jessica848377@yahoo.com.cn |
| 传 真：86-755 25621209 |
| EMail：kingrand_tek@163.com |
| 公司地址： Huaqiang Electronic World, Futian District, Shenzhen, China |
