Abstract: Digital potentiometers are well accepted in fiber optic module manufacturing for setting the transmitter's application dependent variables, such as average optical transmit power and extinction ratio. This application note provides guidelines for optimizing the current setting resolution for the MAX3735 (2.7Gbps SFP laser driver), when interfaced with the DS1858 SFF-8472 digital diagnostic monitoring device. The application note you have requested is available in Acrobat PDF format: APPLICATION NOTE 1937: HFAN-02.3.3: Optimizing the Resolution of Laser Driver Current Settings Using a Linear Digital Potentiometer (PDF, 34kB) A free Acrobat PDF reader is available from: http://www.adobe.com/products/acrobat/readstep.html Related Parts   APP 1937: Mar 18, 2003 DS1858 Dual Temperature-Controlled Resistors with Three Monitors Full Data Sheet (PDF, 428kB) Free Samples MAX3735 2.7Gbps, Low-Power SFP Laser Drivers Full Data Sheet (PDF, 1.1MB) 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 (34kB)  AN1937, AN 1937, APP1937, Appnote1937, Appnote 1937