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	Driver for vertical-cavity surface-emitting laser and method
	ZIAZADEH, RAMSIN M.; MOHAN, JITENDRA
	2009-12-08
著作权人	NATIONAL SEMICONDUCTOR CORPORATION
专利号	US7630422
国家	美国
文献子类	授权发明
其他题名	Driver for vertical-cavity surface-emitting laser and method
英文摘要	A driver for a vertical-cavity surface emitting laser (VCSEL) is provided that includes a bias current source, a modulation current source, and an output tracking circuit. The bias current source is operable to generate a bias current and an output voltage for the VCSEL and to generate a replica output voltage. The modulation current source is coupled to the bias current source by at least one switch and is operable to generate a modulation current for the VCSEL when the switch is closed. The output tracking circuit is coupled to the bias current source. The output tracking circuit is operable to generate a feedback signal for the bias current source based on the output voltage and the replica output voltage. The bias current source is also operable to generate the output voltage and the replica output voltage based on the feedback signal.
公开日期	2009-12-08
申请日期	2005-01-14
状态	授权
内容类型	专利
源URL	[http://ir.opt.ac.cn/handle/181661/50254]
专题	半导体激光器专利数据库
作者单位	NATIONAL SEMICONDUCTOR CORPORATION
推荐引用方式 GB/T 7714	ZIAZADEH, RAMSIN M.,MOHAN, JITENDRA. Driver for vertical-cavity surface-emitting laser and method. US7630422. 2009-12-08.

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