Abstract: This application brief describes a method for reducing and potentially eliminating random noise and transitions at the output of laser drivers that do not have an internal squelch feature. The MAX3738, MAX3656, MAX3646, and MAX3643 laser drivers serve as examples. The application note you have requested is available in Acrobat PDF format: APPLICATION NOTE 4227: HFAN-02.7.0 Reducing Laser Driver Output Noise When No Input Signal Is Applied (PDF, 115kB) A free Acrobat PDF reader is available from: http://www.adobe.com/products/acrobat/readstep.html Related Parts   APP 4227: Apr 16, 2008 MAX3643 155Mbps to 2.5Gbps Burst-Mode Laser Driver Full Data Sheet (PDF, 264kB) Free Samples MAX3646 155Mbps to 622Mbps SFF/SFP Laser Driver with Extinction Ratio Control Full Data Sheet (PDF, 288kB) Free Samples MAX3656 155Mbps to 2.5Gbps Burst-Mode Laser Driver Full Data Sheet (PDF, 612kB) Free Samples MAX3738 155Mbps to 4.25Gbps SFF/SFP Laser Driver with Extinction Ratio Control Full Data Sheet (PDF, 380kB) Free Samples Automatic Updates Would you like to be automatically notified when new application notes are published in your areas of interest? Sign up for EE-Mail™. We Want Your Feedback!   Download, PDF Format (115kB)  AN4227, AN 4227, APP4227, Appnote4227, Appnote 4227